/* Functions for image support on window system.
-Copyright (C) 1989, 1992-2014 Free Software Foundation, Inc.
+Copyright (C) 1989, 1992-2015 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#define x_defined_color w32_defined_color
#define DefaultDepthOfScreen(screen) (one_w32_display_info.n_cbits)
-/* Versions of libpng, libgif, and libjpeg that we were compiled with,
- or -1 if no PNG/GIF support was compiled in. This is tested by
- w32-win.el to correctly set up the alist used to search for the
- respective image libraries. */
-Lisp_Object Qlibpng_version, Qlibgif_version, Qlibjpeg_version;
-
#endif /* HAVE_NTGUI */
+#ifdef USE_CAIRO
+#undef COLOR_TABLE_SUPPORT
+#endif
+
#ifdef HAVE_NS
#undef COLOR_TABLE_SUPPORT
#define DefaultDepthOfScreen(screen) x_display_list->n_planes
#endif /* HAVE_NS */
-
-/* The symbol `postscript' identifying images of this type. */
-
-static Lisp_Object Qpostscript;
-
static void x_disable_image (struct frame *, struct image *);
static void x_edge_detection (struct frame *, struct image *, Lisp_Object,
Lisp_Object);
static unsigned long *colors_in_color_table (int *n);
#endif
-static Lisp_Object QCmax_width, QCmax_height;
-
/* Code to deal with bitmaps. Bitmaps are referenced by their bitmap
id, which is just an int that this section returns. Bitmaps are
reference counted so they can be shared among frames.
#endif /* HAVE_NTGUI */
#ifdef HAVE_NS
- void *bitmap = ns_image_from_XBM (bits, width, height);
+ void *bitmap = ns_image_from_XBM (bits, width, height, 0, 0);
if (!bitmap)
return -1;
#endif
#endif /* HAVE_X_WINDOWS */
-
/***********************************************************************
Image types
***********************************************************************/
static struct image_type *image_types;
-/* The symbol `xbm' which is used as the type symbol for XBM images. */
-
-static Lisp_Object Qxbm;
-
-/* Keywords. */
-
-Lisp_Object QCascent, QCmargin, QCrelief;
-Lisp_Object QCconversion;
-static Lisp_Object QCheuristic_mask;
-static Lisp_Object QCcolor_symbols;
-static Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask, QCgeometry;
-static Lisp_Object QCcrop, QCrotation;
-
-/* Other symbols. */
-
-static Lisp_Object Qcount, Qextension_data, Qdelay;
-static Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic;
-
/* Forward function prototypes. */
static struct image_type *lookup_image_type (Lisp_Object);
define_image_type (struct image_type *type)
{
struct image_type *p = NULL;
- Lisp_Object target_type = *type->type;
- bool type_valid = 1;
+ int new_type = type->type;
+ bool type_valid = true;
block_input ();
for (p = image_types; p; p = p->next)
- if (EQ (*p->type, target_type))
+ if (p->type == new_type)
goto done;
if (type->init)
{
#if defined HAVE_NTGUI && defined WINDOWSNT
/* If we failed to load the library before, don't try again. */
- Lisp_Object tested = Fassq (target_type, Vlibrary_cache);
+ Lisp_Object tested = Fassq (builtin_lisp_symbol (new_type),
+ Vlibrary_cache);
if (CONSP (tested) && NILP (XCDR (tested)))
- type_valid = 0;
+ type_valid = false;
else
#endif
{
type_valid = type->init ();
- CACHE_IMAGE_TYPE (target_type, type_valid ? Qt : Qnil);
+ CACHE_IMAGE_TYPE (builtin_lisp_symbol (new_type),
+ type_valid ? Qt : Qnil);
}
}
/* We're about to display IMG, so set its timestamp to `now'. */
img->timestamp = current_timespec ();
+#ifndef USE_CAIRO
/* If IMG doesn't have a pixmap yet, load it now, using the image
type dependent loader function. */
if (img->pixmap == NO_PIXMAP && !img->load_failed_p)
unblock_input ();
}
#endif
+#endif
}
return ascent;
}
+#ifdef USE_CAIRO
+static uint32_t
+xcolor_to_argb32 (XColor xc)
+{
+ return (0xff << 24) | ((xc.red / 256) << 16)
+ | ((xc.green / 256) << 8) | (xc.blue / 256);
+}
+
+static uint32_t
+get_spec_bg_or_alpha_as_argb (struct image *img,
+ struct frame *f)
+{
+ uint32_t bgcolor = 0;
+ XColor xbgcolor;
+ Lisp_Object bg = image_spec_value (img->spec, QCbackground, NULL);
+
+ if (STRINGP (bg) && XParseColor (FRAME_X_DISPLAY (f),
+ FRAME_X_COLORMAP (f),
+ SSDATA (bg),
+ &xbgcolor))
+ bgcolor = xcolor_to_argb32 (xbgcolor);
+
+ return bgcolor;
+}
+
+static void
+create_cairo_image_surface (struct image *img,
+ unsigned char *data,
+ int width,
+ int height)
+{
+ cairo_surface_t *surface;
+ cairo_format_t format = CAIRO_FORMAT_ARGB32;
+ int stride = cairo_format_stride_for_width (format, width);
+ surface = cairo_image_surface_create_for_data (data,
+ format,
+ width,
+ height,
+ stride);
+ img->width = width;
+ img->height = height;
+ img->cr_data = surface;
+ img->cr_data2 = data;
+ img->pixmap = 0;
+}
+#endif
+
+
\f
/* Image background colors. */
x_clear_image (struct frame *f, struct image *img)
{
block_input ();
+#ifdef USE_CAIRO
+ if (img->cr_data)
+ cairo_surface_destroy ((cairo_surface_t *)img->cr_data);
+ if (img->cr_data2) xfree (img->cr_data2);
+#endif
x_clear_image_1 (f, img,
CLEAR_IMAGE_PIXMAP | CLEAR_IMAGE_MASK | CLEAR_IMAGE_COLORS);
unblock_input ();
/* Do image transformations and compute masks, unless we
don't have the image yet. */
- if (!EQ (*img->type->type, Qpostscript))
+ if (!EQ (builtin_lisp_symbol (img->type->type), Qpostscript))
postprocess_image (f, img);
}
X / NS / W32 support code
***********************************************************************/
-#ifdef WINDOWSNT
-
-/* Macro for defining functions that will be loaded from image DLLs. */
-#define DEF_IMGLIB_FN(rettype,func,args) static rettype (FAR CDECL *fn_##func)args
-
-/* Macro for loading those image functions from the library. */
-#define LOAD_IMGLIB_FN(lib,func) { \
- fn_##func = (void *) GetProcAddress (lib, #func); \
- if (!fn_##func) return 0; \
- }
-
-#endif /* WINDOWSNT */
-
/* Return true if XIMG's size WIDTH x HEIGHT doesn't break the
windowing system.
WIDTH and HEIGHT must both be positive.
static struct image_type xbm_type =
{
- &Qxbm,
+ SYMBOL_INDEX (Qxbm),
xbm_image_p,
xbm_load,
x_clear_image,
convert_mono_to_color_image (f, img, fg, bg);
#elif defined (HAVE_NS)
- img->pixmap = ns_image_from_XBM (data, img->width, img->height);
+ img->pixmap = ns_image_from_XBM (data, img->width, img->height, fg, bg);
#else
img->pixmap =
#endif /* HAVE_XPM */
#if defined (HAVE_XPM) || defined (HAVE_NS)
-/* The symbol `xpm' identifying XPM-format images. */
-
-static Lisp_Object Qxpm;
/* Indices of image specification fields in xpm_format, below. */
static struct image_type xpm_type =
{
- &Qxpm,
+ SYMBOL_INDEX (Qxpm),
xpm_image_p,
xpm_load,
x_clear_image,
color allocation failures more gracefully than the ones on the XPM
lib. */
+#ifndef USE_CAIRO
#if defined XpmAllocColor && defined XpmFreeColors && defined XpmColorClosure
#define ALLOC_XPM_COLORS
#endif
+#endif /* USE_CAIRO */
#endif /* HAVE_X_WINDOWS */
#ifdef ALLOC_XPM_COLORS
/* XPM library details. */
-DEF_IMGLIB_FN (void, XpmFreeAttributes, (XpmAttributes *));
-DEF_IMGLIB_FN (int, XpmCreateImageFromBuffer, (Display *, char *, xpm_XImage **,
- xpm_XImage **, XpmAttributes *));
-DEF_IMGLIB_FN (int, XpmReadFileToImage, (Display *, char *, xpm_XImage **,
- xpm_XImage **, XpmAttributes *));
-DEF_IMGLIB_FN (void, XImageFree, (xpm_XImage *));
+DEF_DLL_FN (void, XpmFreeAttributes, (XpmAttributes *));
+DEF_DLL_FN (int, XpmCreateImageFromBuffer,
+ (Display *, char *, xpm_XImage **,
+ xpm_XImage **, XpmAttributes *));
+DEF_DLL_FN (int, XpmReadFileToImage,
+ (Display *, char *, xpm_XImage **,
+ xpm_XImage **, XpmAttributes *));
+DEF_DLL_FN (void, XImageFree, (xpm_XImage *));
static bool
init_xpm_functions (void)
if (!(library = w32_delayed_load (Qxpm)))
return 0;
- LOAD_IMGLIB_FN (library, XpmFreeAttributes);
- LOAD_IMGLIB_FN (library, XpmCreateImageFromBuffer);
- LOAD_IMGLIB_FN (library, XpmReadFileToImage);
- LOAD_IMGLIB_FN (library, XImageFree);
+ LOAD_DLL_FN (library, XpmFreeAttributes);
+ LOAD_DLL_FN (library, XpmCreateImageFromBuffer);
+ LOAD_DLL_FN (library, XpmReadFileToImage);
+ LOAD_DLL_FN (library, XImageFree);
return 1;
}
-#endif /* WINDOWSNT */
+# undef XImageFree
+# undef XpmCreateImageFromBuffer
+# undef XpmFreeAttributes
+# undef XpmReadFileToImage
-#if defined HAVE_NTGUI && !defined WINDOWSNT
-/* Glue for code below */
-#define fn_XpmReadFileToImage XpmReadFileToImage
-#define fn_XpmCreateImageFromBuffer XpmCreateImageFromBuffer
-#define fn_XImageFree XImageFree
-#define fn_XpmFreeAttributes XpmFreeAttributes
-#endif /* HAVE_NTGUI && !WINDOWSNT */
+# define XImageFree fn_XImageFree
+# define XpmCreateImageFromBuffer fn_XpmCreateImageFromBuffer
+# define XpmFreeAttributes fn_XpmFreeAttributes
+# define XpmReadFileToImage fn_XpmReadFileToImage
+
+#endif /* WINDOWSNT */
/* Value is true if COLOR_SYMBOLS is a valid color symbols list
for XPM images. Such a list must consist of conses whose car and
#endif
/* XpmReadFileToPixmap is not available in the Windows port of
libxpm. But XpmReadFileToImage almost does what we want. */
- rc = fn_XpmReadFileToImage (&hdc, SDATA (file),
- &xpm_image, &xpm_mask,
- &attrs);
+ rc = XpmReadFileToImage (&hdc, SDATA (file),
+ &xpm_image, &xpm_mask,
+ &attrs);
#else
rc = XpmReadFileToImage (FRAME_X_DISPLAY (f), SSDATA (file),
&img->ximg, &img->mask_img,
#ifdef HAVE_NTGUI
/* XpmCreatePixmapFromBuffer is not available in the Windows port
of libxpm. But XpmCreateImageFromBuffer almost does what we want. */
- rc = fn_XpmCreateImageFromBuffer (&hdc, SDATA (buffer),
- &xpm_image, &xpm_mask,
- &attrs);
+ rc = XpmCreateImageFromBuffer (&hdc, SDATA (buffer),
+ &xpm_image, &xpm_mask,
+ &attrs);
#else
rc = XpmCreateImageFromBuffer (FRAME_X_DISPLAY (f), SSDATA (buffer),
&img->ximg, &img->mask_img,
#endif /* HAVE_NTGUI */
}
+#ifdef USE_CAIRO
+ // Load very specific Xpm:s.
+ if (rc == XpmSuccess
+ && img->ximg->format == ZPixmap
+ && img->ximg->bits_per_pixel == 32
+ && (! img->mask_img || img->mask_img->bits_per_pixel == 1))
+ {
+ int width = img->ximg->width;
+ int height = img->ximg->height;
+ unsigned char *data = (unsigned char *) xmalloc (width*height*4);
+ int i;
+ uint32_t *od = (uint32_t *)data;
+ uint32_t *id = (uint32_t *)img->ximg->data;
+ unsigned char *mid = img->mask_img ? img->mask_img->data : 0;
+ uint32_t bgcolor = get_spec_bg_or_alpha_as_argb (img, f);
+
+ for (i = 0; i < height; ++i)
+ {
+ int k;
+ for (k = 0; k < width; ++k)
+ {
+ int idx = i * img->ximg->bytes_per_line/4 + k;
+ int maskidx = mid ? i * img->mask_img->bytes_per_line + k/8 : 0;
+ int mask = mid ? mid[maskidx] & (1 << (k % 8)) : 1;
+
+ if (mask) od[idx] = id[idx] + 0xff000000; // ff => full alpha
+ else od[idx] = bgcolor;
+ }
+ }
+
+ create_cairo_image_surface (img, data, width, height);
+ }
+ else
+ {
+ rc = XpmFileInvalid;
+ x_clear_image (f, img);
+ }
+#else
#ifdef HAVE_X_WINDOWS
if (rc == XpmSuccess)
{
}
}
#endif
+#endif /* ! USE_CAIRO */
if (rc == XpmSuccess)
{
img->pixmap = xpm_image->bitmap;
/* XImageFree in libXpm frees XImage struct without destroying
the bitmap, which is what we want. */
- fn_XImageFree (xpm_image);
+ XImageFree (xpm_image);
}
if (xpm_mask && xpm_mask->bitmap)
{
SelectObject (hdc, old_obj);
img->mask = xpm_mask->bitmap;
- fn_XImageFree (xpm_mask);
+ XImageFree (xpm_mask);
DeleteDC (hdc);
}
eassert (img->width > 0 && img->height > 0);
/* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */
-#ifdef HAVE_NTGUI
- fn_XpmFreeAttributes (&attrs);
-#else
XpmFreeAttributes (&attrs);
-#endif /* HAVE_NTGUI */
#ifdef HAVE_X_WINDOWS
/* Maybe fill in the background field while we have ximg handy. */
Colormap cmap;
bool rc;
- if (ct_colors_allocated_max <= ct_colors_allocated)
+ if (ct_colors_allocated >= ct_colors_allocated_max)
return FRAME_FOREGROUND_PIXEL (f);
#ifdef HAVE_X_WINDOWS
HGDIOBJ prev;
#endif /* HAVE_NTGUI */
- if (min (PTRDIFF_MAX, SIZE_MAX) / sizeof *colors / img->width < img->height)
+ if (img->height > min (PTRDIFF_MAX, SIZE_MAX) / sizeof *colors / img->width)
memory_full (SIZE_MAX);
colors = xmalloc (sizeof *colors * img->width * img->height);
#define COLOR(A, X, Y) ((A) + (Y) * img->width + (X))
- if (min (PTRDIFF_MAX, SIZE_MAX) / sizeof *new / img->width < img->height)
+ if (img->height > min (PTRDIFF_MAX, SIZE_MAX) / sizeof *new / img->width)
memory_full (SIZE_MAX);
new = xmalloc (sizeof *new * img->width * img->height);
if (i == 3 && NILP (how))
{
char color_name[30];
- sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]);
+ sprintf (color_name, "#%04x%04x%04x",
+ rgb[0] + 0u, rgb[1] + 0u, rgb[2] + 0u);
bg = (
#ifdef HAVE_NTGUI
0x00ffffff & /* Filter out palette info. */
static bool pbm_image_p (Lisp_Object object);
static bool pbm_load (struct frame *f, struct image *img);
-/* The symbol `pbm' identifying images of this type. */
-
-static Lisp_Object Qpbm;
-
/* Indices of image specification fields in gs_format, below. */
enum pbm_keyword_index
static struct image_type pbm_type =
{
- &Qpbm,
+ SYMBOL_INDEX (Qpbm),
pbm_image_p,
pbm_load,
x_clear_image,
bool raw_p;
int x, y;
int width, height, max_color_idx = 0;
- XImagePtr ximg;
Lisp_Object file, specified_file;
enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type;
unsigned char *contents = NULL;
unsigned char *end, *p;
ptrdiff_t size;
+#ifdef USE_CAIRO
+ unsigned char *data = 0;
+ uint32_t *dataptr;
+#else
+ XImagePtr ximg;
+#endif
specified_file = image_spec_value (img->spec, QCfile, NULL);
width = pbm_scan_number (&p, end);
height = pbm_scan_number (&p, end);
+#ifdef USE_CAIRO
+ data = (unsigned char *) xmalloc (width * height * 4);
+ dataptr = (uint32_t *) data;
+#endif
+
if (type != PBM_MONO)
{
max_color_idx = pbm_scan_number (&p, end);
goto error;
}
+#ifndef USE_CAIRO
if (!image_create_x_image_and_pixmap (f, img, width, height, 0, &ximg, 0))
goto error;
+#endif
/* Initialize the color hash table. */
init_color_table ();
struct image_keyword fmt[PBM_LAST];
unsigned long fg = FRAME_FOREGROUND_PIXEL (f);
unsigned long bg = FRAME_BACKGROUND_PIXEL (f);
-
+#ifdef USE_CAIRO
+ XColor xfg, xbg;
+ int fga32, bga32;
+#endif
/* Parse the image specification. */
memcpy (fmt, pbm_format, sizeof fmt);
parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm);
/* Get foreground and background colors, maybe allocate colors. */
+#ifdef USE_CAIRO
+ if (! fmt[PBM_FOREGROUND].count
+ || ! STRINGP (fmt[PBM_FOREGROUND].value)
+ || ! x_defined_color (f, SSDATA (fmt[PBM_FOREGROUND].value), &xfg, 0))
+ {
+ xfg.pixel = fg;
+ x_query_color (f, &xfg);
+ }
+ fga32 = xcolor_to_argb32 (xfg);
+
+ if (! fmt[PBM_BACKGROUND].count
+ || ! STRINGP (fmt[PBM_BACKGROUND].value)
+ || ! x_defined_color (f, SSDATA (fmt[PBM_BACKGROUND].value), &xbg, 0))
+ {
+ xbg.pixel = bg;
+ x_query_color (f, &xbg);
+ }
+ bga32 = xcolor_to_argb32 (xbg);
+#else
if (fmt[PBM_FOREGROUND].count
&& STRINGP (fmt[PBM_FOREGROUND].value))
fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg);
img->background = bg;
img->background_valid = 1;
}
+#endif
for (y = 0; y < height; ++y)
for (x = 0; x < width; ++x)
{
if (p >= end)
{
+#ifdef USE_CAIRO
+ xfree (data);
+#else
x_destroy_x_image (ximg);
+#endif
x_clear_image (f, img);
image_error ("Invalid image size in image `%s'",
img->spec, Qnil);
else
g = pbm_scan_number (&p, end);
+#ifdef USE_CAIRO
+ *dataptr++ = g ? fga32 : bga32;
+#else
XPutPixel (ximg, x, y, g ? fg : bg);
+#endif
}
}
else
if (raw_p && p + expected_size > end)
{
+#ifdef USE_CAIRO
+ xfree (data);
+#else
x_destroy_x_image (ximg);
+#endif
x_clear_image (f, img);
image_error ("Invalid image size in image `%s'",
img->spec, Qnil);
if (r < 0 || g < 0 || b < 0)
{
+#ifdef USE_CAIRO
+ xfree (data);
+#else
x_destroy_x_image (ximg);
+#endif
image_error ("Invalid pixel value in image `%s'",
img->spec, Qnil);
goto error;
}
+#ifdef USE_CAIRO
+ r = (double) r * 255 / max_color_idx;
+ g = (double) g * 255 / max_color_idx;
+ b = (double) b * 255 / max_color_idx;
+ *dataptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
+#else
/* RGB values are now in the range 0..max_color_idx.
Scale this to the range 0..0xffff supported by X. */
r = (double) r * 65535 / max_color_idx;
g = (double) g * 65535 / max_color_idx;
b = (double) b * 65535 / max_color_idx;
XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b));
+#endif
}
}
/* Maybe fill in the background field while we have ximg handy. */
+#ifdef USE_CAIRO
+ create_cairo_image_surface (img, data, width, height);
+#else
if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
/* Casting avoids a GCC warning. */
IMAGE_BACKGROUND (img, f, (XImagePtr_or_DC)ximg);
/* Put ximg into the image. */
image_put_x_image (f, img, ximg, 0);
+#endif
/* X and W32 versions did it here, MAC version above. ++kfs
img->width = width;
PNG
***********************************************************************/
-#if defined (HAVE_PNG) || defined (HAVE_NS)
+#if defined (HAVE_PNG) || defined (HAVE_NS) || defined (USE_CAIRO)
/* Function prototypes. */
static bool png_image_p (Lisp_Object object);
static bool png_load (struct frame *f, struct image *img);
-/* The symbol `png' identifying images of this type. */
-
-static Lisp_Object Qpng;
-
/* Indices of image specification fields in png_format, below. */
enum png_keyword_index
static struct image_type png_type =
{
- &Qpng,
+ SYMBOL_INDEX (Qpng),
png_image_p,
png_load,
x_clear_image,
return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1;
}
-#endif /* HAVE_PNG || HAVE_NS */
+#endif /* HAVE_PNG || HAVE_NS || USE_CAIRO */
#if defined HAVE_PNG && !defined HAVE_NS
-#ifdef WINDOWSNT
+# ifdef WINDOWSNT
/* PNG library details. */
-DEF_IMGLIB_FN (png_voidp, png_get_io_ptr, (png_structp));
-DEF_IMGLIB_FN (int, png_sig_cmp, (png_bytep, png_size_t, png_size_t));
-DEF_IMGLIB_FN (png_structp, png_create_read_struct, (png_const_charp, png_voidp,
- png_error_ptr, png_error_ptr));
-DEF_IMGLIB_FN (png_infop, png_create_info_struct, (png_structp));
-DEF_IMGLIB_FN (void, png_destroy_read_struct, (png_structpp, png_infopp, png_infopp));
-DEF_IMGLIB_FN (void, png_set_read_fn, (png_structp, png_voidp, png_rw_ptr));
-DEF_IMGLIB_FN (void, png_set_sig_bytes, (png_structp, int));
-DEF_IMGLIB_FN (void, png_read_info, (png_structp, png_infop));
-DEF_IMGLIB_FN (png_uint_32, png_get_IHDR, (png_structp, png_infop,
- png_uint_32 *, png_uint_32 *,
- int *, int *, int *, int *, int *));
-DEF_IMGLIB_FN (png_uint_32, png_get_valid, (png_structp, png_infop, png_uint_32));
-DEF_IMGLIB_FN (void, png_set_strip_16, (png_structp));
-DEF_IMGLIB_FN (void, png_set_expand, (png_structp));
-DEF_IMGLIB_FN (void, png_set_gray_to_rgb, (png_structp));
-DEF_IMGLIB_FN (void, png_set_background, (png_structp, png_color_16p,
- int, int, double));
-DEF_IMGLIB_FN (png_uint_32, png_get_bKGD, (png_structp, png_infop, png_color_16p *));
-DEF_IMGLIB_FN (void, png_read_update_info, (png_structp, png_infop));
-DEF_IMGLIB_FN (png_byte, png_get_channels, (png_structp, png_infop));
-DEF_IMGLIB_FN (png_size_t, png_get_rowbytes, (png_structp, png_infop));
-DEF_IMGLIB_FN (void, png_read_image, (png_structp, png_bytepp));
-DEF_IMGLIB_FN (void, png_read_end, (png_structp, png_infop));
-DEF_IMGLIB_FN (void, png_error, (png_structp, png_const_charp));
-
-#if (PNG_LIBPNG_VER >= 10500)
-DEF_IMGLIB_FN (void, png_longjmp, (png_structp, int)) PNG_NORETURN;
-DEF_IMGLIB_FN (jmp_buf *, png_set_longjmp_fn, (png_structp, png_longjmp_ptr, size_t));
-#endif /* libpng version >= 1.5 */
+DEF_DLL_FN (png_voidp, png_get_io_ptr, (png_structp));
+DEF_DLL_FN (int, png_sig_cmp, (png_bytep, png_size_t, png_size_t));
+DEF_DLL_FN (png_structp, png_create_read_struct,
+ (png_const_charp, png_voidp, png_error_ptr, png_error_ptr));
+DEF_DLL_FN (png_infop, png_create_info_struct, (png_structp));
+DEF_DLL_FN (void, png_destroy_read_struct,
+ (png_structpp, png_infopp, png_infopp));
+DEF_DLL_FN (void, png_set_read_fn, (png_structp, png_voidp, png_rw_ptr));
+DEF_DLL_FN (void, png_set_sig_bytes, (png_structp, int));
+DEF_DLL_FN (void, png_read_info, (png_structp, png_infop));
+DEF_DLL_FN (png_uint_32, png_get_IHDR,
+ (png_structp, png_infop, png_uint_32 *, png_uint_32 *,
+ int *, int *, int *, int *, int *));
+DEF_DLL_FN (png_uint_32, png_get_valid, (png_structp, png_infop, png_uint_32));
+DEF_DLL_FN (void, png_set_strip_16, (png_structp));
+DEF_DLL_FN (void, png_set_expand, (png_structp));
+DEF_DLL_FN (void, png_set_gray_to_rgb, (png_structp));
+DEF_DLL_FN (void, png_set_background,
+ (png_structp, png_color_16p, int, int, double));
+DEF_DLL_FN (png_uint_32, png_get_bKGD,
+ (png_structp, png_infop, png_color_16p *));
+DEF_DLL_FN (void, png_read_update_info, (png_structp, png_infop));
+DEF_DLL_FN (png_byte, png_get_channels, (png_structp, png_infop));
+DEF_DLL_FN (png_size_t, png_get_rowbytes, (png_structp, png_infop));
+DEF_DLL_FN (void, png_read_image, (png_structp, png_bytepp));
+DEF_DLL_FN (void, png_read_end, (png_structp, png_infop));
+DEF_DLL_FN (void, png_error, (png_structp, png_const_charp));
+
+# if (PNG_LIBPNG_VER >= 10500)
+DEF_DLL_FN (void, png_longjmp, (png_structp, int)) PNG_NORETURN;
+DEF_DLL_FN (jmp_buf *, png_set_longjmp_fn,
+ (png_structp, png_longjmp_ptr, size_t));
+# endif /* libpng version >= 1.5 */
static bool
init_png_functions (void)
if (!(library = w32_delayed_load (Qpng)))
return 0;
- LOAD_IMGLIB_FN (library, png_get_io_ptr);
- LOAD_IMGLIB_FN (library, png_sig_cmp);
- LOAD_IMGLIB_FN (library, png_create_read_struct);
- LOAD_IMGLIB_FN (library, png_create_info_struct);
- LOAD_IMGLIB_FN (library, png_destroy_read_struct);
- LOAD_IMGLIB_FN (library, png_set_read_fn);
- LOAD_IMGLIB_FN (library, png_set_sig_bytes);
- LOAD_IMGLIB_FN (library, png_read_info);
- LOAD_IMGLIB_FN (library, png_get_IHDR);
- LOAD_IMGLIB_FN (library, png_get_valid);
- LOAD_IMGLIB_FN (library, png_set_strip_16);
- LOAD_IMGLIB_FN (library, png_set_expand);
- LOAD_IMGLIB_FN (library, png_set_gray_to_rgb);
- LOAD_IMGLIB_FN (library, png_set_background);
- LOAD_IMGLIB_FN (library, png_get_bKGD);
- LOAD_IMGLIB_FN (library, png_read_update_info);
- LOAD_IMGLIB_FN (library, png_get_channels);
- LOAD_IMGLIB_FN (library, png_get_rowbytes);
- LOAD_IMGLIB_FN (library, png_read_image);
- LOAD_IMGLIB_FN (library, png_read_end);
- LOAD_IMGLIB_FN (library, png_error);
-
-#if (PNG_LIBPNG_VER >= 10500)
- LOAD_IMGLIB_FN (library, png_longjmp);
- LOAD_IMGLIB_FN (library, png_set_longjmp_fn);
-#endif /* libpng version >= 1.5 */
+ LOAD_DLL_FN (library, png_get_io_ptr);
+ LOAD_DLL_FN (library, png_sig_cmp);
+ LOAD_DLL_FN (library, png_create_read_struct);
+ LOAD_DLL_FN (library, png_create_info_struct);
+ LOAD_DLL_FN (library, png_destroy_read_struct);
+ LOAD_DLL_FN (library, png_set_read_fn);
+ LOAD_DLL_FN (library, png_set_sig_bytes);
+ LOAD_DLL_FN (library, png_read_info);
+ LOAD_DLL_FN (library, png_get_IHDR);
+ LOAD_DLL_FN (library, png_get_valid);
+ LOAD_DLL_FN (library, png_set_strip_16);
+ LOAD_DLL_FN (library, png_set_expand);
+ LOAD_DLL_FN (library, png_set_gray_to_rgb);
+ LOAD_DLL_FN (library, png_set_background);
+ LOAD_DLL_FN (library, png_get_bKGD);
+ LOAD_DLL_FN (library, png_read_update_info);
+ LOAD_DLL_FN (library, png_get_channels);
+ LOAD_DLL_FN (library, png_get_rowbytes);
+ LOAD_DLL_FN (library, png_read_image);
+ LOAD_DLL_FN (library, png_read_end);
+ LOAD_DLL_FN (library, png_error);
+
+# if (PNG_LIBPNG_VER >= 10500)
+ LOAD_DLL_FN (library, png_longjmp);
+ LOAD_DLL_FN (library, png_set_longjmp_fn);
+# endif /* libpng version >= 1.5 */
return 1;
}
-#else
-
-#define fn_png_get_io_ptr png_get_io_ptr
-#define fn_png_sig_cmp png_sig_cmp
-#define fn_png_create_read_struct png_create_read_struct
-#define fn_png_create_info_struct png_create_info_struct
-#define fn_png_destroy_read_struct png_destroy_read_struct
-#define fn_png_set_read_fn png_set_read_fn
-#define fn_png_set_sig_bytes png_set_sig_bytes
-#define fn_png_read_info png_read_info
-#define fn_png_get_IHDR png_get_IHDR
-#define fn_png_get_valid png_get_valid
-#define fn_png_set_strip_16 png_set_strip_16
-#define fn_png_set_expand png_set_expand
-#define fn_png_set_gray_to_rgb png_set_gray_to_rgb
-#define fn_png_set_background png_set_background
-#define fn_png_get_bKGD png_get_bKGD
-#define fn_png_read_update_info png_read_update_info
-#define fn_png_get_channels png_get_channels
-#define fn_png_get_rowbytes png_get_rowbytes
-#define fn_png_read_image png_read_image
-#define fn_png_read_end png_read_end
-#define fn_png_error png_error
-
-#if (PNG_LIBPNG_VER >= 10500)
-#define fn_png_longjmp png_longjmp
-#define fn_png_set_longjmp_fn png_set_longjmp_fn
-#endif /* libpng version >= 1.5 */
-#endif /* WINDOWSNT */
+# undef png_create_info_struct
+# undef png_create_read_struct
+# undef png_destroy_read_struct
+# undef png_error
+# undef png_get_bKGD
+# undef png_get_channels
+# undef png_get_IHDR
+# undef png_get_io_ptr
+# undef png_get_rowbytes
+# undef png_get_valid
+# undef png_longjmp
+# undef png_read_end
+# undef png_read_image
+# undef png_read_info
+# undef png_read_update_info
+# undef png_set_background
+# undef png_set_expand
+# undef png_set_gray_to_rgb
+# undef png_set_longjmp_fn
+# undef png_set_read_fn
+# undef png_set_sig_bytes
+# undef png_set_strip_16
+# undef png_sig_cmp
+
+# define png_create_info_struct fn_png_create_info_struct
+# define png_create_read_struct fn_png_create_read_struct
+# define png_destroy_read_struct fn_png_destroy_read_struct
+# define png_error fn_png_error
+# define png_get_bKGD fn_png_get_bKGD
+# define png_get_channels fn_png_get_channels
+# define png_get_IHDR fn_png_get_IHDR
+# define png_get_io_ptr fn_png_get_io_ptr
+# define png_get_rowbytes fn_png_get_rowbytes
+# define png_get_valid fn_png_get_valid
+# define png_longjmp fn_png_longjmp
+# define png_read_end fn_png_read_end
+# define png_read_image fn_png_read_image
+# define png_read_info fn_png_read_info
+# define png_read_update_info fn_png_read_update_info
+# define png_set_background fn_png_set_background
+# define png_set_expand fn_png_set_expand
+# define png_set_gray_to_rgb fn_png_set_gray_to_rgb
+# define png_set_longjmp_fn fn_png_set_longjmp_fn
+# define png_set_read_fn fn_png_set_read_fn
+# define png_set_sig_bytes fn_png_set_sig_bytes
+# define png_set_strip_16 fn_png_set_strip_16
+# define png_sig_cmp fn_png_sig_cmp
+
+# endif /* WINDOWSNT */
/* Fast implementations of setjmp and longjmp. Although setjmp and longjmp
will do, POSIX _setjmp and _longjmp (if available) are often faster.
Do not use sys_setjmp, as PNG supports only jmp_buf.
It's OK if the longjmp substitute restores the signal mask. */
-#ifdef HAVE__SETJMP
-# define FAST_SETJMP(j) _setjmp (j)
-# define FAST_LONGJMP _longjmp
-#else
-# define FAST_SETJMP(j) setjmp (j)
-# define FAST_LONGJMP longjmp
-#endif
-
-#if PNG_LIBPNG_VER < 10500
-#define PNG_LONGJMP(ptr) FAST_LONGJMP ((ptr)->jmpbuf, 1)
-#define PNG_JMPBUF(ptr) ((ptr)->jmpbuf)
-#else
+# ifdef HAVE__SETJMP
+# define FAST_SETJMP(j) _setjmp (j)
+# define FAST_LONGJMP _longjmp
+# else
+# define FAST_SETJMP(j) setjmp (j)
+# define FAST_LONGJMP longjmp
+# endif
+
+# if PNG_LIBPNG_VER < 10500
+# define PNG_LONGJMP(ptr) FAST_LONGJMP ((ptr)->jmpbuf, 1)
+# define PNG_JMPBUF(ptr) ((ptr)->jmpbuf)
+# else
/* In libpng version 1.5, the jmpbuf member is hidden. (Bug#7908) */
-#define PNG_LONGJMP(ptr) fn_png_longjmp (ptr, 1)
-#define PNG_JMPBUF(ptr) \
- (*fn_png_set_longjmp_fn (ptr, FAST_LONGJMP, sizeof (jmp_buf)))
-#endif
+# define PNG_LONGJMP(ptr) png_longjmp (ptr, 1)
+# define PNG_JMPBUF(ptr) \
+ (*png_set_longjmp_fn (ptr, FAST_LONGJMP, sizeof (jmp_buf)))
+# endif
/* Error and warning handlers installed when the PNG library
is initialized. */
static void
png_read_from_memory (png_structp png_ptr, png_bytep data, png_size_t length)
{
- struct png_memory_storage *tbr = fn_png_get_io_ptr (png_ptr);
+ struct png_memory_storage *tbr = png_get_io_ptr (png_ptr);
if (length > tbr->len - tbr->index)
- fn_png_error (png_ptr, "Read error");
+ png_error (png_ptr, "Read error");
memcpy (data, tbr->bytes + tbr->index, length);
tbr->index = tbr->index + length;
static void
png_read_from_file (png_structp png_ptr, png_bytep data, png_size_t length)
{
- FILE *fp = fn_png_get_io_ptr (png_ptr);
+ FILE *fp = png_get_io_ptr (png_ptr);
if (fread (data, 1, length, fp) < length)
- fn_png_error (png_ptr, "Read error");
+ png_error (png_ptr, "Read error");
}
Lisp_Object specified_data;
int x, y;
ptrdiff_t i;
- XImagePtr ximg, mask_img = NULL;
png_struct *png_ptr;
png_info *info_ptr = NULL, *end_info = NULL;
FILE *fp = NULL;
bool transparent_p;
struct png_memory_storage tbr; /* Data to be read */
+#ifdef USE_CAIRO
+ unsigned char *data = 0;
+ uint32_t *dataptr;
+#else
+ XImagePtr ximg, mask_img = NULL;
+#endif
+
/* Find out what file to load. */
specified_file = image_spec_value (img->spec, QCfile, NULL);
specified_data = image_spec_value (img->spec, QCdata, NULL);
+ IF_LINT (Lisp_Object volatile specified_data_volatile = specified_data);
if (NILP (specified_data))
{
/* Check PNG signature. */
if (fread (sig, 1, sizeof sig, fp) != sizeof sig
- || fn_png_sig_cmp (sig, 0, sizeof sig))
+ || png_sig_cmp (sig, 0, sizeof sig))
{
fclose (fp);
image_error ("Not a PNG file: `%s'", file, Qnil);
/* Check PNG signature. */
if (tbr.len < sizeof sig
- || fn_png_sig_cmp (tbr.bytes, 0, sizeof sig))
+ || png_sig_cmp (tbr.bytes, 0, sizeof sig))
{
image_error ("Not a PNG image: `%s'", img->spec, Qnil);
return 0;
}
/* Initialize read and info structs for PNG lib. */
- png_ptr = fn_png_create_read_struct (PNG_LIBPNG_VER_STRING,
+ png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING,
NULL, my_png_error,
my_png_warning);
if (png_ptr)
{
- info_ptr = fn_png_create_info_struct (png_ptr);
- end_info = fn_png_create_info_struct (png_ptr);
+ info_ptr = png_create_info_struct (png_ptr);
+ end_info = png_create_info_struct (png_ptr);
}
c->png_ptr = png_ptr;
if (! (info_ptr && end_info))
{
- fn_png_destroy_read_struct (&c->png_ptr, &c->info_ptr, &c->end_info);
+ png_destroy_read_struct (&c->png_ptr, &c->info_ptr, &c->end_info);
png_ptr = 0;
}
if (! png_ptr)
{
error:
if (c->png_ptr)
- fn_png_destroy_read_struct (&c->png_ptr, &c->info_ptr, &c->end_info);
+ png_destroy_read_struct (&c->png_ptr, &c->info_ptr, &c->end_info);
xfree (c->pixels);
xfree (c->rows);
if (c->fp)
/* Silence a bogus diagnostic; see GCC bug 54561. */
IF_LINT (fp = c->fp);
+ IF_LINT (specified_data = specified_data_volatile);
/* Read image info. */
if (!NILP (specified_data))
- fn_png_set_read_fn (png_ptr, &tbr, png_read_from_memory);
+ png_set_read_fn (png_ptr, &tbr, png_read_from_memory);
else
- fn_png_set_read_fn (png_ptr, fp, png_read_from_file);
+ png_set_read_fn (png_ptr, fp, png_read_from_file);
- fn_png_set_sig_bytes (png_ptr, sizeof sig);
- fn_png_read_info (png_ptr, info_ptr);
- fn_png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
- &interlace_type, NULL, NULL);
+ png_set_sig_bytes (png_ptr, sizeof sig);
+ png_read_info (png_ptr, info_ptr);
+ png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
+ &interlace_type, NULL, NULL);
if (! (width <= INT_MAX && height <= INT_MAX
&& check_image_size (f, width, height)))
goto error;
}
+#ifndef USE_CAIRO
/* Create the X image and pixmap now, so that the work below can be
omitted if the image is too large for X. */
if (!image_create_x_image_and_pixmap (f, img, width, height, 0, &ximg, 0))
goto error;
+#endif
/* If image contains simply transparency data, we prefer to
construct a clipping mask. */
- if (fn_png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
+ if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
transparent_p = 1;
else
transparent_p = 0;
/* Strip more than 8 bits per channel. */
if (bit_depth == 16)
- fn_png_set_strip_16 (png_ptr);
+ png_set_strip_16 (png_ptr);
/* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel
if available. */
- fn_png_set_expand (png_ptr);
+ png_set_expand (png_ptr);
/* Convert grayscale images to RGB. */
if (color_type == PNG_COLOR_TYPE_GRAY
|| color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
- fn_png_set_gray_to_rgb (png_ptr);
+ png_set_gray_to_rgb (png_ptr);
/* Handle alpha channel by combining the image with a background
color. Do this only if a real alpha channel is supplied. For
bg.green = color.green >> shift;
bg.blue = color.blue >> shift;
- fn_png_set_background (png_ptr, &bg,
- PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
+ png_set_background (png_ptr, &bg,
+ PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
}
}
/* Update info structure. */
- fn_png_read_update_info (png_ptr, info_ptr);
+ png_read_update_info (png_ptr, info_ptr);
/* Get number of channels. Valid values are 1 for grayscale images
and images with a palette, 2 for grayscale images with transparency
information (alpha channel), 3 for RGB images, and 4 for RGB
images with alpha channel, i.e. RGBA. If conversions above were
sufficient we should only have 3 or 4 channels here. */
- channels = fn_png_get_channels (png_ptr, info_ptr);
+ channels = png_get_channels (png_ptr, info_ptr);
eassert (channels == 3 || channels == 4);
/* Number of bytes needed for one row of the image. */
- row_bytes = fn_png_get_rowbytes (png_ptr, info_ptr);
+ row_bytes = png_get_rowbytes (png_ptr, info_ptr);
/* Allocate memory for the image. */
- if (min (PTRDIFF_MAX, SIZE_MAX) / sizeof *rows < height
- || min (PTRDIFF_MAX, SIZE_MAX) / sizeof *pixels / height < row_bytes)
+ if (height > min (PTRDIFF_MAX, SIZE_MAX) / sizeof *rows
+ || row_bytes > min (PTRDIFF_MAX, SIZE_MAX) / sizeof *pixels / height)
memory_full (SIZE_MAX);
c->pixels = pixels = xmalloc (sizeof *pixels * row_bytes * height);
c->rows = rows = xmalloc (height * sizeof *rows);
rows[i] = pixels + i * row_bytes;
/* Read the entire image. */
- fn_png_read_image (png_ptr, rows);
- fn_png_read_end (png_ptr, info_ptr);
+ png_read_image (png_ptr, rows);
+ png_read_end (png_ptr, info_ptr);
if (fp)
{
fclose (fp);
c->fp = NULL;
}
+#ifdef USE_CAIRO
+ data = (unsigned char *) xmalloc (width * height * 4);
+ dataptr = (uint32_t *) data;
+#else
/* Create an image and pixmap serving as mask if the PNG image
contains an alpha channel. */
if (channels == 4
x_clear_image_1 (f, img, CLEAR_IMAGE_PIXMAP);
goto error;
}
+#endif
/* Fill the X image and mask from PNG data. */
init_color_table ();
{
int r, g, b;
+#ifdef USE_CAIRO
+ int a = 0xff;
+ r = *p++;
+ g = *p++;
+ b = *p++;
+ if (channels == 4) a = *p++;
+ *dataptr++ = (a << 24) | (r << 16) | (g << 8) | b;
+#else
r = *p++ << 8;
g = *p++ << 8;
b = *p++ << 8;
XPutPixel (mask_img, x, y, *p > 0 ? PIX_MASK_DRAW : PIX_MASK_RETAIN);
++p;
}
+#endif
}
}
overrode it. */
{
png_color_16 *bg;
- if (fn_png_get_bKGD (png_ptr, info_ptr, &bg))
+ if (png_get_bKGD (png_ptr, info_ptr, &bg))
{
img->background = lookup_rgb_color (f, bg->red, bg->green, bg->blue);
img->background_valid = 1;
}
}
-#ifdef COLOR_TABLE_SUPPORT
+# ifdef COLOR_TABLE_SUPPORT
/* Remember colors allocated for this image. */
img->colors = colors_in_color_table (&img->ncolors);
free_color_table ();
-#endif /* COLOR_TABLE_SUPPORT */
+# endif /* COLOR_TABLE_SUPPORT */
/* Clean up. */
- fn_png_destroy_read_struct (&c->png_ptr, &c->info_ptr, &c->end_info);
+ png_destroy_read_struct (&c->png_ptr, &c->info_ptr, &c->end_info);
xfree (rows);
xfree (pixels);
img->width = width;
img->height = height;
+#ifdef USE_CAIRO
+ create_cairo_image_surface (img, data, width, height);
+#else
/* Maybe fill in the background field while we have ximg handy.
Casting avoids a GCC warning. */
IMAGE_BACKGROUND (img, f, (XImagePtr_or_DC)ximg);
image_put_x_image (f, img, mask_img, 1);
}
+#endif
return 1;
}
image_spec_value (img->spec, QCdata, NULL));
}
+
#endif /* HAVE_NS */
static bool jpeg_image_p (Lisp_Object object);
static bool jpeg_load (struct frame *f, struct image *img);
-/* The symbol `jpeg' identifying images of this type. */
-
-static Lisp_Object Qjpeg;
-
/* Indices of image specification fields in gs_format, below. */
enum jpeg_keyword_index
static struct image_type jpeg_type =
{
- &Qjpeg,
+ SYMBOL_INDEX (Qjpeg),
jpeg_image_p,
jpeg_load,
x_clear_image,
/* Work around a warning about HAVE_STDLIB_H being redefined in
jconfig.h. */
-#ifdef HAVE_STDLIB_H
-#undef HAVE_STDLIB_H
-#endif /* HAVE_STLIB_H */
+# ifdef HAVE_STDLIB_H
+# undef HAVE_STDLIB_H
+# endif
-#if defined (HAVE_NTGUI) && !defined (__WIN32__)
+# if defined (HAVE_NTGUI) && !defined (__WIN32__)
/* In older releases of the jpeg library, jpeglib.h will define boolean
differently depending on __WIN32__, so make sure it is defined. */
-#define __WIN32__ 1
-#endif
+# define __WIN32__ 1
+# endif
/* rpcndr.h (via windows.h) and jpeglib.h both define boolean types.
Some versions of jpeglib try to detect whether rpcndr.h is loaded,
different name. This name, jpeg_boolean, remains in effect through
the rest of image.c.
*/
-#if defined CYGWIN && defined HAVE_NTGUI
-#define boolean jpeg_boolean
-#endif
-#include <jpeglib.h>
-#include <jerror.h>
+# if defined CYGWIN && defined HAVE_NTGUI
+# define boolean jpeg_boolean
+# endif
+# include <jpeglib.h>
+# include <jerror.h>
-#ifdef WINDOWSNT
+# ifdef WINDOWSNT
/* JPEG library details. */
-DEF_IMGLIB_FN (void, jpeg_CreateDecompress, (j_decompress_ptr, int, size_t));
-DEF_IMGLIB_FN (boolean, jpeg_start_decompress, (j_decompress_ptr));
-DEF_IMGLIB_FN (boolean, jpeg_finish_decompress, (j_decompress_ptr));
-DEF_IMGLIB_FN (void, jpeg_destroy_decompress, (j_decompress_ptr));
-DEF_IMGLIB_FN (int, jpeg_read_header, (j_decompress_ptr, boolean));
-DEF_IMGLIB_FN (JDIMENSION, jpeg_read_scanlines, (j_decompress_ptr, JSAMPARRAY, JDIMENSION));
-DEF_IMGLIB_FN (struct jpeg_error_mgr *, jpeg_std_error, (struct jpeg_error_mgr *));
-DEF_IMGLIB_FN (boolean, jpeg_resync_to_restart, (j_decompress_ptr, int));
+DEF_DLL_FN (void, jpeg_CreateDecompress, (j_decompress_ptr, int, size_t));
+DEF_DLL_FN (boolean, jpeg_start_decompress, (j_decompress_ptr));
+DEF_DLL_FN (boolean, jpeg_finish_decompress, (j_decompress_ptr));
+DEF_DLL_FN (void, jpeg_destroy_decompress, (j_decompress_ptr));
+DEF_DLL_FN (int, jpeg_read_header, (j_decompress_ptr, boolean));
+DEF_DLL_FN (JDIMENSION, jpeg_read_scanlines,
+ (j_decompress_ptr, JSAMPARRAY, JDIMENSION));
+DEF_DLL_FN (struct jpeg_error_mgr *, jpeg_std_error,
+ (struct jpeg_error_mgr *));
+DEF_DLL_FN (boolean, jpeg_resync_to_restart, (j_decompress_ptr, int));
static bool
init_jpeg_functions (void)
if (!(library = w32_delayed_load (Qjpeg)))
return 0;
- LOAD_IMGLIB_FN (library, jpeg_finish_decompress);
- LOAD_IMGLIB_FN (library, jpeg_read_scanlines);
- LOAD_IMGLIB_FN (library, jpeg_start_decompress);
- LOAD_IMGLIB_FN (library, jpeg_read_header);
- LOAD_IMGLIB_FN (library, jpeg_CreateDecompress);
- LOAD_IMGLIB_FN (library, jpeg_destroy_decompress);
- LOAD_IMGLIB_FN (library, jpeg_std_error);
- LOAD_IMGLIB_FN (library, jpeg_resync_to_restart);
+ LOAD_DLL_FN (library, jpeg_finish_decompress);
+ LOAD_DLL_FN (library, jpeg_read_scanlines);
+ LOAD_DLL_FN (library, jpeg_start_decompress);
+ LOAD_DLL_FN (library, jpeg_read_header);
+ LOAD_DLL_FN (library, jpeg_CreateDecompress);
+ LOAD_DLL_FN (library, jpeg_destroy_decompress);
+ LOAD_DLL_FN (library, jpeg_std_error);
+ LOAD_DLL_FN (library, jpeg_resync_to_restart);
return 1;
}
+# undef jpeg_CreateDecompress
+# undef jpeg_destroy_decompress
+# undef jpeg_finish_decompress
+# undef jpeg_read_header
+# undef jpeg_read_scanlines
+# undef jpeg_resync_to_restart
+# undef jpeg_start_decompress
+# undef jpeg_std_error
+
+# define jpeg_CreateDecompress fn_jpeg_CreateDecompress
+# define jpeg_destroy_decompress fn_jpeg_destroy_decompress
+# define jpeg_finish_decompress fn_jpeg_finish_decompress
+# define jpeg_read_header fn_jpeg_read_header
+# define jpeg_read_scanlines fn_jpeg_read_scanlines
+# define jpeg_resync_to_restart fn_jpeg_resync_to_restart
+# define jpeg_start_decompress fn_jpeg_start_decompress
+# define jpeg_std_error fn_jpeg_std_error
+
/* Wrapper since we can't directly assign the function pointer
to another function pointer that was declared more completely easily. */
static boolean
jpeg_resync_to_restart_wrapper (j_decompress_ptr cinfo, int desired)
{
- return fn_jpeg_resync_to_restart (cinfo, desired);
+ return jpeg_resync_to_restart (cinfo, desired);
}
+# undef jpeg_resync_to_restart
+# define jpeg_resync_to_restart jpeg_resync_to_restart_wrapper
-#else
-
-#define fn_jpeg_CreateDecompress(a,b,c) jpeg_create_decompress (a)
-#define fn_jpeg_start_decompress jpeg_start_decompress
-#define fn_jpeg_finish_decompress jpeg_finish_decompress
-#define fn_jpeg_destroy_decompress jpeg_destroy_decompress
-#define fn_jpeg_read_header jpeg_read_header
-#define fn_jpeg_read_scanlines jpeg_read_scanlines
-#define fn_jpeg_std_error jpeg_std_error
-#define jpeg_resync_to_restart_wrapper jpeg_resync_to_restart
-
-#endif /* WINDOWSNT */
+# endif /* WINDOWSNT */
struct my_jpeg_error_mgr
{
src->init_source = our_common_init_source;
src->fill_input_buffer = our_memory_fill_input_buffer;
src->skip_input_data = our_memory_skip_input_data;
- src->resync_to_restart = jpeg_resync_to_restart_wrapper; /* Use default method. */
+ src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */
src->term_source = our_common_term_source;
src->bytes_in_buffer = len;
src->next_input_byte = data;
src->mgr.init_source = our_common_init_source;
src->mgr.fill_input_buffer = our_stdio_fill_input_buffer;
src->mgr.skip_input_data = our_stdio_skip_input_data;
- src->mgr.resync_to_restart = jpeg_resync_to_restart_wrapper; /* Use default method. */
+ src->mgr.resync_to_restart = jpeg_resync_to_restart; /* Use default. */
src->mgr.term_source = our_common_term_source;
src->mgr.bytes_in_buffer = 0;
src->mgr.next_input_byte = NULL;
FILE * IF_LINT (volatile) fp = NULL;
JSAMPARRAY buffer;
int row_stride, x, y;
- XImagePtr ximg = NULL;
unsigned long *colors;
int width, height;
+ int i, ir, ig, ib;
+#ifndef USE_CAIRO
+ XImagePtr ximg = NULL;
+#endif
/* Open the JPEG file. */
specified_file = image_spec_value (img->spec, QCfile, NULL);
specified_data = image_spec_value (img->spec, QCdata, NULL);
+ IF_LINT (Lisp_Object volatile specified_data_volatile = specified_data);
if (NILP (specified_data))
{
/* Customize libjpeg's error handling to call my_error_exit when an
error is detected. This function will perform a longjmp. */
- mgr->cinfo.err = fn_jpeg_std_error (&mgr->pub);
+ mgr->cinfo.err = jpeg_std_error (&mgr->pub);
mgr->pub.error_exit = my_error_exit;
if (sys_setjmp (mgr->setjmp_buffer))
{
/* Close the input file and destroy the JPEG object. */
if (fp)
fclose (fp);
- fn_jpeg_destroy_decompress (&mgr->cinfo);
+ jpeg_destroy_decompress (&mgr->cinfo);
/* If we already have an XImage, free that. */
+#ifndef USE_CAIRO
x_destroy_x_image (ximg);
-
+#endif
/* Free pixmap and colors. */
x_clear_image (f, img);
return 0;
}
+ /* Silence a bogus diagnostic; see GCC bug 54561. */
+ IF_LINT (specified_data = specified_data_volatile);
+
/* Create the JPEG decompression object. Let it read from fp.
Read the JPEG image header. */
- fn_jpeg_CreateDecompress (&mgr->cinfo, JPEG_LIB_VERSION, sizeof *&mgr->cinfo);
+ jpeg_CreateDecompress (&mgr->cinfo, JPEG_LIB_VERSION, sizeof *&mgr->cinfo);
if (NILP (specified_data))
jpeg_file_src (&mgr->cinfo, fp);
jpeg_memory_src (&mgr->cinfo, SDATA (specified_data),
SBYTES (specified_data));
- fn_jpeg_read_header (&mgr->cinfo, 1);
+ jpeg_read_header (&mgr->cinfo, 1);
/* Customize decompression so that color quantization will be used.
Start decompression. */
mgr->cinfo.quantize_colors = 1;
- fn_jpeg_start_decompress (&mgr->cinfo);
+ jpeg_start_decompress (&mgr->cinfo);
width = img->width = mgr->cinfo.output_width;
height = img->height = mgr->cinfo.output_height;
sys_longjmp (mgr->setjmp_buffer, 1);
}
+#ifndef USE_CAIRO
/* Create X image and pixmap. */
if (!image_create_x_image_and_pixmap (f, img, width, height, 0, &ximg, 0))
{
mgr->failure_code = MY_JPEG_CANNOT_CREATE_X;
sys_longjmp (mgr->setjmp_buffer, 1);
}
+#endif
/* Allocate colors. When color quantization is used,
mgr->cinfo.actual_number_of_colors has been set with the number of
No more than 255 colors will be generated. */
USE_SAFE_ALLOCA;
{
- int i, ir, ig, ib;
-
if (mgr->cinfo.out_color_components > 2)
ir = 0, ig = 1, ib = 2;
else if (mgr->cinfo.out_color_components > 1)
else
ir = 0, ig = 0, ib = 0;
+#ifndef CAIRO
/* Use the color table mechanism because it handles colors that
cannot be allocated nicely. Such colors will be replaced with
a default color, and we don't have to care about which colors
int b = mgr->cinfo.colormap[ib][i] << 8;
colors[i] = lookup_rgb_color (f, r, g, b);
}
+#endif
#ifdef COLOR_TABLE_SUPPORT
/* Remember those colors actually allocated. */
row_stride = width * mgr->cinfo.output_components;
buffer = mgr->cinfo.mem->alloc_sarray ((j_common_ptr) &mgr->cinfo,
JPOOL_IMAGE, row_stride, 1);
+#ifdef USE_CAIRO
+ {
+ unsigned char *data = (unsigned char *) xmalloc (width*height*4);
+ uint32_t *dataptr = (uint32_t *) data;
+ int r, g, b;
+
+ for (y = 0; y < height; ++y)
+ {
+ jpeg_read_scanlines (&mgr->cinfo, buffer, 1);
+
+ for (x = 0; x < width; ++x)
+ {
+ i = buffer[0][x];
+ r = mgr->cinfo.colormap[ir][i];
+ g = mgr->cinfo.colormap[ig][i];
+ b = mgr->cinfo.colormap[ib][i];
+ *dataptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
+ }
+ }
+
+ create_cairo_image_surface (img, data, width, height);
+ }
+#else
for (y = 0; y < height; ++y)
{
- fn_jpeg_read_scanlines (&mgr->cinfo, buffer, 1);
+ jpeg_read_scanlines (&mgr->cinfo, buffer, 1);
for (x = 0; x < mgr->cinfo.output_width; ++x)
XPutPixel (ximg, x, y, colors[buffer[0][x]]);
}
+#endif
/* Clean up. */
- fn_jpeg_finish_decompress (&mgr->cinfo);
- fn_jpeg_destroy_decompress (&mgr->cinfo);
+ jpeg_finish_decompress (&mgr->cinfo);
+ jpeg_destroy_decompress (&mgr->cinfo);
if (fp)
fclose (fp);
+#ifndef USE_CAIRO
/* Maybe fill in the background field while we have ximg handy. */
if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
/* Casting avoids a GCC warning. */
/* Put ximg into the image. */
image_put_x_image (f, img, ximg, 0);
+#endif
SAFE_FREE ();
return 1;
}
static bool tiff_image_p (Lisp_Object object);
static bool tiff_load (struct frame *f, struct image *img);
-/* The symbol `tiff' identifying images of this type. */
-
-static Lisp_Object Qtiff;
-
/* Indices of image specification fields in tiff_format, below. */
enum tiff_keyword_index
static struct image_type tiff_type =
{
- &Qtiff,
+ SYMBOL_INDEX (Qtiff),
tiff_image_p,
tiff_load,
x_clear_image,
#ifdef HAVE_TIFF
-#include <tiffio.h>
+# include <tiffio.h>
-#ifdef WINDOWSNT
+# ifdef WINDOWSNT
/* TIFF library details. */
-DEF_IMGLIB_FN (TIFFErrorHandler, TIFFSetErrorHandler, (TIFFErrorHandler));
-DEF_IMGLIB_FN (TIFFErrorHandler, TIFFSetWarningHandler, (TIFFErrorHandler));
-DEF_IMGLIB_FN (TIFF *, TIFFOpen, (const char *, const char *));
-DEF_IMGLIB_FN (TIFF *, TIFFClientOpen, (const char *, const char *, thandle_t,
- TIFFReadWriteProc, TIFFReadWriteProc,
- TIFFSeekProc, TIFFCloseProc, TIFFSizeProc,
- TIFFMapFileProc, TIFFUnmapFileProc));
-DEF_IMGLIB_FN (int, TIFFGetField, (TIFF *, ttag_t, ...));
-DEF_IMGLIB_FN (int, TIFFReadRGBAImage, (TIFF *, uint32, uint32, uint32 *, int));
-DEF_IMGLIB_FN (void, TIFFClose, (TIFF *));
-DEF_IMGLIB_FN (int, TIFFSetDirectory, (TIFF *, tdir_t));
+DEF_DLL_FN (TIFFErrorHandler, TIFFSetErrorHandler, (TIFFErrorHandler));
+DEF_DLL_FN (TIFFErrorHandler, TIFFSetWarningHandler, (TIFFErrorHandler));
+DEF_DLL_FN (TIFF *, TIFFOpen, (const char *, const char *));
+DEF_DLL_FN (TIFF *, TIFFClientOpen,
+ (const char *, const char *, thandle_t, TIFFReadWriteProc,
+ TIFFReadWriteProc, TIFFSeekProc, TIFFCloseProc, TIFFSizeProc,
+ TIFFMapFileProc, TIFFUnmapFileProc));
+DEF_DLL_FN (int, TIFFGetField, (TIFF *, ttag_t, ...));
+DEF_DLL_FN (int, TIFFReadRGBAImage, (TIFF *, uint32, uint32, uint32 *, int));
+DEF_DLL_FN (void, TIFFClose, (TIFF *));
+DEF_DLL_FN (int, TIFFSetDirectory, (TIFF *, tdir_t));
static bool
init_tiff_functions (void)
if (!(library = w32_delayed_load (Qtiff)))
return 0;
- LOAD_IMGLIB_FN (library, TIFFSetErrorHandler);
- LOAD_IMGLIB_FN (library, TIFFSetWarningHandler);
- LOAD_IMGLIB_FN (library, TIFFOpen);
- LOAD_IMGLIB_FN (library, TIFFClientOpen);
- LOAD_IMGLIB_FN (library, TIFFGetField);
- LOAD_IMGLIB_FN (library, TIFFReadRGBAImage);
- LOAD_IMGLIB_FN (library, TIFFClose);
- LOAD_IMGLIB_FN (library, TIFFSetDirectory);
+ LOAD_DLL_FN (library, TIFFSetErrorHandler);
+ LOAD_DLL_FN (library, TIFFSetWarningHandler);
+ LOAD_DLL_FN (library, TIFFOpen);
+ LOAD_DLL_FN (library, TIFFClientOpen);
+ LOAD_DLL_FN (library, TIFFGetField);
+ LOAD_DLL_FN (library, TIFFReadRGBAImage);
+ LOAD_DLL_FN (library, TIFFClose);
+ LOAD_DLL_FN (library, TIFFSetDirectory);
return 1;
}
-#else
+# undef TIFFClientOpen
+# undef TIFFClose
+# undef TIFFGetField
+# undef TIFFOpen
+# undef TIFFReadRGBAImage
+# undef TIFFSetDirectory
+# undef TIFFSetErrorHandler
+# undef TIFFSetWarningHandler
-#define fn_TIFFSetErrorHandler TIFFSetErrorHandler
-#define fn_TIFFSetWarningHandler TIFFSetWarningHandler
-#define fn_TIFFOpen TIFFOpen
-#define fn_TIFFClientOpen TIFFClientOpen
-#define fn_TIFFGetField TIFFGetField
-#define fn_TIFFReadRGBAImage TIFFReadRGBAImage
-#define fn_TIFFClose TIFFClose
-#define fn_TIFFSetDirectory TIFFSetDirectory
-#endif /* WINDOWSNT */
+# define TIFFClientOpen fn_TIFFClientOpen
+# define TIFFClose fn_TIFFClose
+# define TIFFGetField fn_TIFFGetField
+# define TIFFOpen fn_TIFFOpen
+# define TIFFReadRGBAImage fn_TIFFReadRGBAImage
+# define TIFFSetDirectory fn_TIFFSetDirectory
+# define TIFFSetErrorHandler fn_TIFFSetErrorHandler
+# define TIFFSetWarningHandler fn_TIFFSetWarningHandler
+
+# endif /* WINDOWSNT */
/* Reading from a memory buffer for TIFF images Based on the PNG
compiler error compiling tiff_handler, see Bugzilla bug #17406
(http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17406). Declaring
this function as external works around that problem. */
-#if defined (__MINGW32__) && __GNUC__ == 3
-# define MINGW_STATIC
-#else
-# define MINGW_STATIC static
-#endif
+# if defined (__MINGW32__) && __GNUC__ == 3
+# define MINGW_STATIC
+# else
+# define MINGW_STATIC static
+# endif
MINGW_STATIC void
tiff_handler (const char *, const char *, const char *, va_list)
add_to_log (log_format, build_string (title),
make_string (buf, max (0, min (len, sizeof buf - 1))));
}
-#undef MINGW_STATIC
+# undef MINGW_STATIC
static void tiff_error_handler (const char *, const char *, va_list)
ATTRIBUTE_FORMAT_PRINTF (2, 0);
specified_file = image_spec_value (img->spec, QCfile, NULL);
specified_data = image_spec_value (img->spec, QCdata, NULL);
- fn_TIFFSetErrorHandler ((TIFFErrorHandler) tiff_error_handler);
- fn_TIFFSetWarningHandler ((TIFFErrorHandler) tiff_warning_handler);
+ TIFFSetErrorHandler ((TIFFErrorHandler) tiff_error_handler);
+ TIFFSetWarningHandler ((TIFFErrorHandler) tiff_warning_handler);
if (NILP (specified_data))
{
image_error ("Cannot find image file `%s'", specified_file, Qnil);
return 0;
}
-#ifdef WINDOWSNT
+# ifdef WINDOWSNT
file = ansi_encode_filename (file);
-#endif
+# endif
/* Try to open the image file. */
- tiff = fn_TIFFOpen (SSDATA (file), "r");
+ tiff = TIFFOpen (SSDATA (file), "r");
if (tiff == NULL)
{
image_error ("Cannot open `%s'", file, Qnil);
memsrc.len = SBYTES (specified_data);
memsrc.index = 0;
- tiff = fn_TIFFClientOpen ("memory_source", "r", (thandle_t)&memsrc,
- tiff_read_from_memory,
- tiff_write_from_memory,
- tiff_seek_in_memory,
- tiff_close_memory,
- tiff_size_of_memory,
- tiff_mmap_memory,
- tiff_unmap_memory);
+ tiff = TIFFClientOpen ("memory_source", "r", (thandle_t)&memsrc,
+ tiff_read_from_memory,
+ tiff_write_from_memory,
+ tiff_seek_in_memory,
+ tiff_close_memory,
+ tiff_size_of_memory,
+ tiff_mmap_memory,
+ tiff_unmap_memory);
if (!tiff)
{
{
EMACS_INT ino = XFASTINT (image);
if (! (TYPE_MINIMUM (tdir_t) <= ino && ino <= TYPE_MAXIMUM (tdir_t)
- && fn_TIFFSetDirectory (tiff, ino)))
+ && TIFFSetDirectory (tiff, ino)))
{
image_error ("Invalid image number `%s' in image `%s'",
image, img->spec);
- fn_TIFFClose (tiff);
+ TIFFClose (tiff);
return 0;
}
}
/* Get width and height of the image, and allocate a raster buffer
of width x height 32-bit values. */
- fn_TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width);
- fn_TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height);
+ TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width);
+ TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height);
if (!check_image_size (f, width, height))
{
image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
- fn_TIFFClose (tiff);
+ TIFFClose (tiff);
return 0;
}
&& image_create_x_image_and_pixmap (f, img, width, height, 0,
&ximg, 0)))
{
- fn_TIFFClose (tiff);
+ TIFFClose (tiff);
return 0;
}
buf = xmalloc (sizeof *buf * width * height);
- rc = fn_TIFFReadRGBAImage (tiff, width, height, buf, 0);
+ rc = TIFFReadRGBAImage (tiff, width, height, buf, 0);
/* Count the number of images in the file. */
- for (count = 1; fn_TIFFSetDirectory (tiff, count); count++)
+ for (count = 1; TIFFSetDirectory (tiff, count); count++)
continue;
if (count > 1)
Fcons (make_number (count),
img->lisp_data));
- fn_TIFFClose (tiff);
+ TIFFClose (tiff);
if (!rc)
{
image_error ("Error reading TIFF image `%s'", img->spec, Qnil);
return 0;
}
+#ifdef USE_CAIRO
+ {
+ unsigned char *data = (unsigned char *) xmalloc (width*height*4);
+ uint32_t *dataptr = (uint32_t *) data;
+ int r, g, b, a;
+
+ for (y = 0; y < height; ++y)
+ {
+ uint32 *row = buf + (height - 1 - y) * width;
+ for (x = 0; x < width; ++x)
+ {
+ uint32 abgr = row[x];
+ int r = TIFFGetR (abgr);
+ int g = TIFFGetG (abgr);
+ int b = TIFFGetB (abgr);
+ int a = TIFFGetA (abgr);
+ *dataptr++ = (a << 24) | (r << 16) | (g << 8) | b;
+ }
+ }
+
+ create_cairo_image_surface (img, data, width, height);
+ }
+#else
/* Initialize the color table. */
init_color_table ();
}
}
-#ifdef COLOR_TABLE_SUPPORT
+# ifdef COLOR_TABLE_SUPPORT
/* Remember the colors allocated for the image. Free the color table. */
img->colors = colors_in_color_table (&img->ncolors);
free_color_table ();
-#endif /* COLOR_TABLE_SUPPORT */
+# endif /* COLOR_TABLE_SUPPORT */
img->width = width;
img->height = height;
/* Put ximg into the image. */
image_put_x_image (f, img, ximg, 0);
- xfree (buf);
+#endif /* ! USE_CAIRO */
+
+ xfree (buf);
return 1;
}
-#else /* HAVE_TIFF */
+#elif defined HAVE_NS
-#ifdef HAVE_NS
static bool
tiff_load (struct frame *f, struct image *img)
{
image_spec_value (img->spec, QCfile, NULL),
image_spec_value (img->spec, QCdata, NULL));
}
-#endif /* HAVE_NS */
-#endif /* !HAVE_TIFF */
+#endif
\f
static bool gif_load (struct frame *f, struct image *img);
static void gif_clear_image (struct frame *f, struct image *img);
-/* The symbol `gif' identifying images of this type. */
-
-static Lisp_Object Qgif;
-
/* Indices of image specification fields in gif_format, below. */
enum gif_keyword_index
static struct image_type gif_type =
{
- &Qgif,
+ SYMBOL_INDEX (Qgif),
gif_image_p,
gif_load,
gif_clear_image,
#ifdef HAVE_GIF
-#if defined (HAVE_NTGUI)
+# ifdef HAVE_NTGUI
/* winuser.h might define DrawText to DrawTextA or DrawTextW.
Undefine before redefining to avoid a preprocessor warning. */
-#ifdef DrawText
-#undef DrawText
-#endif
+# ifdef DrawText
+# undef DrawText
+# endif
/* avoid conflict with QuickdrawText.h */
-#define DrawText gif_DrawText
-#include <gif_lib.h>
-#undef DrawText
+# define DrawText gif_DrawText
+# include <gif_lib.h>
+# undef DrawText
/* Giflib before 5.0 didn't define these macros (used only if HAVE_NTGUI). */
-#ifndef GIFLIB_MINOR
-#define GIFLIB_MINOR 0
-#endif
-#ifndef GIFLIB_RELEASE
-#define GIFLIB_RELEASE 0
-#endif
+# ifndef GIFLIB_MINOR
+# define GIFLIB_MINOR 0
+# endif
+# ifndef GIFLIB_RELEASE
+# define GIFLIB_RELEASE 0
+# endif
-#else /* HAVE_NTGUI */
+# else /* HAVE_NTGUI */
-#include <gif_lib.h>
+# include <gif_lib.h>
-#endif /* HAVE_NTGUI */
+# endif /* HAVE_NTGUI */
/* Giflib before 5.0 didn't define these macros. */
-#ifndef GIFLIB_MAJOR
-#define GIFLIB_MAJOR 4
-#endif
+# ifndef GIFLIB_MAJOR
+# define GIFLIB_MAJOR 4
+# endif
-#ifdef WINDOWSNT
+# ifdef WINDOWSNT
/* GIF library details. */
-#if 5 < GIFLIB_MAJOR + (1 <= GIFLIB_MINOR)
-DEF_IMGLIB_FN (int, DGifCloseFile, (GifFileType *, int *));
-#else
-DEF_IMGLIB_FN (int, DGifCloseFile, (GifFileType *));
-#endif
-DEF_IMGLIB_FN (int, DGifSlurp, (GifFileType *));
-#if GIFLIB_MAJOR < 5
-DEF_IMGLIB_FN (GifFileType *, DGifOpen, (void *, InputFunc));
-DEF_IMGLIB_FN (GifFileType *, DGifOpenFileName, (const char *));
-#else
-DEF_IMGLIB_FN (GifFileType *, DGifOpen, (void *, InputFunc, int *));
-DEF_IMGLIB_FN (GifFileType *, DGifOpenFileName, (const char *, int *));
-DEF_IMGLIB_FN (char *, GifErrorString, (int));
-#endif
+# if GIFLIB_MAJOR + (GIFLIB_MINOR >= 1) > 5
+DEF_DLL_FN (int, DGifCloseFile, (GifFileType *, int *));
+# else
+DEF_DLL_FN (int, DGifCloseFile, (GifFileType *));
+# endif
+DEF_DLL_FN (int, DGifSlurp, (GifFileType *));
+# if GIFLIB_MAJOR < 5
+DEF_DLL_FN (GifFileType *, DGifOpen, (void *, InputFunc));
+DEF_DLL_FN (GifFileType *, DGifOpenFileName, (const char *));
+# else
+DEF_DLL_FN (GifFileType *, DGifOpen, (void *, InputFunc, int *));
+DEF_DLL_FN (GifFileType *, DGifOpenFileName, (const char *, int *));
+DEF_DLL_FN (char *, GifErrorString, (int));
+# endif
static bool
init_gif_functions (void)
if (!(library = w32_delayed_load (Qgif)))
return 0;
- LOAD_IMGLIB_FN (library, DGifCloseFile);
- LOAD_IMGLIB_FN (library, DGifSlurp);
- LOAD_IMGLIB_FN (library, DGifOpen);
- LOAD_IMGLIB_FN (library, DGifOpenFileName);
-#if GIFLIB_MAJOR >= 5
- LOAD_IMGLIB_FN (library, GifErrorString);
-#endif
+ LOAD_DLL_FN (library, DGifCloseFile);
+ LOAD_DLL_FN (library, DGifSlurp);
+ LOAD_DLL_FN (library, DGifOpen);
+ LOAD_DLL_FN (library, DGifOpenFileName);
+# if GIFLIB_MAJOR >= 5
+ LOAD_DLL_FN (library, GifErrorString);
+# endif
return 1;
}
-#else
+# undef DGifCloseFile
+# undef DGifOpen
+# undef DGifOpenFileName
+# undef DGifSlurp
+# undef GifErrorString
-#define fn_DGifCloseFile DGifCloseFile
-#define fn_DGifSlurp DGifSlurp
-#define fn_DGifOpen DGifOpen
-#define fn_DGifOpenFileName DGifOpenFileName
-#if 5 <= GIFLIB_MAJOR
-# define fn_GifErrorString GifErrorString
-#endif
+# define DGifCloseFile fn_DGifCloseFile
+# define DGifOpen fn_DGifOpen
+# define DGifOpenFileName fn_DGifOpenFileName
+# define DGifSlurp fn_DGifSlurp
+# define GifErrorString fn_GifErrorString
-#endif /* WINDOWSNT */
+# endif /* WINDOWSNT */
/* Reading a GIF image from memory
Based on the PNG memory stuff to a certain extent. */
{
int retval;
-#if 5 < GIFLIB_MAJOR + (1 <= GIFLIB_MINOR)
- retval = fn_DGifCloseFile (gif, err);
+#if GIFLIB_MAJOR + (GIFLIB_MINOR >= 1) > 5
+ retval = DGifCloseFile (gif, err);
#else
- retval = fn_DGifCloseFile (gif);
+ retval = DGifCloseFile (gif);
#if GIFLIB_MAJOR >= 5
if (err)
*err = gif->Error;
{
Lisp_Object file;
int rc, width, height, x, y, i, j;
- XImagePtr ximg;
ColorMapObject *gif_color_map;
unsigned long pixel_colors[256];
GifFileType *gif;
EMACS_INT idx;
int gif_err;
+#ifdef USE_CAIRO
+ unsigned char *data = 0;
+#else
+ XImagePtr ximg;
+#endif
+
if (NILP (specified_data))
{
file = x_find_image_file (specified_file);
/* Open the GIF file. */
#if GIFLIB_MAJOR < 5
- gif = fn_DGifOpenFileName (SSDATA (file));
+ gif = DGifOpenFileName (SSDATA (file));
if (gif == NULL)
{
image_error ("Cannot open `%s'", file, Qnil);
return 0;
}
#else
- gif = fn_DGifOpenFileName (SSDATA (file), &gif_err);
+ gif = DGifOpenFileName (SSDATA (file), &gif_err);
if (gif == NULL)
{
image_error ("Cannot open `%s': %s",
- file, build_string (fn_GifErrorString (gif_err)));
+ file, build_string (GifErrorString (gif_err)));
return 0;
}
#endif
memsrc.index = 0;
#if GIFLIB_MAJOR < 5
- gif = fn_DGifOpen (&memsrc, gif_read_from_memory);
+ gif = DGifOpen (&memsrc, gif_read_from_memory);
if (!gif)
{
image_error ("Cannot open memory source `%s'", img->spec, Qnil);
return 0;
}
#else
- gif = fn_DGifOpen (&memsrc, gif_read_from_memory, &gif_err);
+ gif = DGifOpen (&memsrc, gif_read_from_memory, &gif_err);
if (!gif)
{
image_error ("Cannot open memory source `%s': %s",
- img->spec, build_string (fn_GifErrorString (gif_err)));
+ img->spec, build_string (GifErrorString (gif_err)));
return 0;
}
#endif
}
/* Read entire contents. */
- rc = fn_DGifSlurp (gif);
+ rc = DGifSlurp (gif);
if (rc == GIF_ERROR || gif->ImageCount <= 0)
{
image_error ("Error reading `%s'", img->spec, Qnil);
int subimg_height = subimage->ImageDesc.Height;
int subimg_top = subimage->ImageDesc.Top;
int subimg_left = subimage->ImageDesc.Left;
- if (! (0 <= subimg_width && 0 <= subimg_height
+ if (! (subimg_width >= 0 && subimg_height >= 0
&& 0 <= subimg_top && subimg_top <= height - subimg_height
&& 0 <= subimg_left && subimg_left <= width - subimg_width))
{
}
}
+#ifdef USE_CAIRO
+ /* xzalloc so data is zero => transparent */
+ data = (unsigned char *) xzalloc (width * height * 4);
+ if (STRINGP (specified_bg))
+ {
+ XColor color;
+ if (x_defined_color (f, SSDATA (specified_bg), &color, 0))
+ {
+ uint32_t *dataptr = (uint32_t *)data;
+ int r = color.red/256;
+ int g = color.green/256;
+ int b = color.blue/256;
+
+ for (y = 0; y < height; ++y)
+ for (x = 0; x < width; ++x)
+ *dataptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
+ }
+ }
+#else
/* Create the X image and pixmap. */
if (!image_create_x_image_and_pixmap (f, img, width, height, 0, &ximg, 0))
{
for (x = img->corners[RIGHT_CORNER]; x < width; ++x)
XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
}
+#endif
/* Read the GIF image into the X image. */
if (disposal == 0)
disposal = 1;
- /* Allocate subimage colors. */
- memset (pixel_colors, 0, sizeof pixel_colors);
gif_color_map = subimage->ImageDesc.ColorMap;
if (!gif_color_map)
gif_color_map = gif->SColorMap;
+#ifndef USE_CAIRO
+ /* Allocate subimage colors. */
+ memset (pixel_colors, 0, sizeof pixel_colors);
+
if (gif_color_map)
for (i = 0; i < gif_color_map->ColorCount; ++i)
{
pixel_colors[i] = lookup_rgb_color (f, r, g, b);
}
}
+#endif
/* Apply the pixel values. */
if (GIFLIB_MAJOR < 5 && gif->SavedImages[j].ImageDesc.Interlace)
{
int c = raster[y * subimg_width + x];
if (transparency_color_index != c || disposal != 1)
- XPutPixel (ximg, x + subimg_left, row + subimg_top,
- pixel_colors[c]);
+ {
+#ifdef USE_CAIRO
+ uint32_t *dataptr =
+ ((uint32_t*)data + ((row + subimg_top) * subimg_width
+ + x + subimg_left));
+ int r = gif_color_map->Colors[c].Red;
+ int g = gif_color_map->Colors[c].Green;
+ int b = gif_color_map->Colors[c].Blue;
+
+ if (transparency_color_index != c)
+ *dataptr = (0xff << 24) | (r << 16) | (g << 8) | b;
+#else
+ XPutPixel (ximg, x + subimg_left, row + subimg_top,
+ pixel_colors[c]);
+#endif
+ }
}
}
}
else
{
- for (y = 0; y < subimg_height; ++y)
+ for (y = 0; y < subimg_height; ++y)
for (x = 0; x < subimg_width; ++x)
{
int c = raster[y * subimg_width + x];
if (transparency_color_index != c || disposal != 1)
- XPutPixel (ximg, x + subimg_left, y + subimg_top,
- pixel_colors[c]);
+ {
+#ifdef USE_CAIRO
+ uint32_t *dataptr =
+ ((uint32_t*)data + ((y + subimg_top) * subimg_width
+ + x + subimg_left));
+ int r = gif_color_map->Colors[c].Red;
+ int g = gif_color_map->Colors[c].Green;
+ int b = gif_color_map->Colors[c].Blue;
+ if (transparency_color_index != c)
+ *dataptr = (0xff << 24) | (r << 16) | (g << 8) | b;
+#else
+ XPutPixel (ximg, x + subimg_left, y + subimg_top,
+ pixel_colors[c]);
+#endif
+ }
}
}
}
if (gif_close (gif, &gif_err) == GIF_ERROR)
{
#if 5 <= GIFLIB_MAJOR
- char *error_text = fn_GifErrorString (gif_err);
+ char *error_text = GifErrorString (gif_err);
if (error_text)
image_error ("Error closing `%s': %s",
#endif
}
+#ifdef USE_CAIRO
+ create_cairo_image_surface (img, data, width, height);
+#else
/* Maybe fill in the background field while we have ximg handy. */
if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
/* Casting avoids a GCC warning. */
/* Put ximg into the image. */
image_put_x_image (f, img, ximg, 0);
+#endif
return 1;
}
*d_height = desired_height;
}
-static Lisp_Object Qimagemagick;
-
static bool imagemagick_image_p (Lisp_Object);
static bool imagemagick_load (struct frame *, struct image *);
static void imagemagick_clear_image (struct frame *, struct image *);
static struct image_type imagemagick_type =
{
- &Qimagemagick,
+ SYMBOL_INDEX (Qimagemagick),
imagemagick_image_p,
imagemagick_load,
imagemagick_clear_image,
SVG
***********************************************************************/
-#if defined (HAVE_RSVG)
+#ifdef HAVE_RSVG
/* Function prototypes. */
static bool svg_load_image (struct frame *, struct image *,
unsigned char *, ptrdiff_t, char *);
-/* The symbol `svg' identifying images of this type. */
-
-static Lisp_Object Qsvg;
-
/* Indices of image specification fields in svg_format, below. */
enum svg_keyword_index
{":background", IMAGE_STRING_OR_NIL_VALUE, 0}
};
-#if defined HAVE_NTGUI && defined WINDOWSNT
+# if defined HAVE_NTGUI && defined WINDOWSNT
static bool init_svg_functions (void);
-#else
+# else
#define init_svg_functions NULL
-#endif
+# endif
/* Structure describing the image type `svg'. Its the same type of
structure defined for all image formats, handled by emacs image
static struct image_type svg_type =
{
- &Qsvg,
+ SYMBOL_INDEX (Qsvg),
svg_image_p,
svg_load,
x_clear_image,
return fmt[SVG_FILE].count + fmt[SVG_DATA].count == 1;
}
-#include <librsvg/rsvg.h>
+# include <librsvg/rsvg.h>
-#ifdef WINDOWSNT
+# ifdef WINDOWSNT
/* SVG library functions. */
-DEF_IMGLIB_FN (RsvgHandle *, rsvg_handle_new, (void));
-DEF_IMGLIB_FN (void, rsvg_handle_get_dimensions, (RsvgHandle *, RsvgDimensionData *));
-DEF_IMGLIB_FN (gboolean, rsvg_handle_write, (RsvgHandle *, const guchar *, gsize, GError **));
-DEF_IMGLIB_FN (gboolean, rsvg_handle_close, (RsvgHandle *, GError **));
-DEF_IMGLIB_FN (GdkPixbuf *, rsvg_handle_get_pixbuf, (RsvgHandle *));
-DEF_IMGLIB_FN (void, rsvg_handle_set_base_uri, (RsvgHandle *, const char *));
-
-DEF_IMGLIB_FN (int, gdk_pixbuf_get_width, (const GdkPixbuf *));
-DEF_IMGLIB_FN (int, gdk_pixbuf_get_height, (const GdkPixbuf *));
-DEF_IMGLIB_FN (guchar *, gdk_pixbuf_get_pixels, (const GdkPixbuf *));
-DEF_IMGLIB_FN (int, gdk_pixbuf_get_rowstride, (const GdkPixbuf *));
-DEF_IMGLIB_FN (GdkColorspace, gdk_pixbuf_get_colorspace, (const GdkPixbuf *));
-DEF_IMGLIB_FN (int, gdk_pixbuf_get_n_channels, (const GdkPixbuf *));
-DEF_IMGLIB_FN (gboolean, gdk_pixbuf_get_has_alpha, (const GdkPixbuf *));
-DEF_IMGLIB_FN (int, gdk_pixbuf_get_bits_per_sample, (const GdkPixbuf *));
-
-#if ! GLIB_CHECK_VERSION (2, 36, 0)
-DEF_IMGLIB_FN (void, g_type_init, (void));
-#endif
-DEF_IMGLIB_FN (void, g_object_unref, (gpointer));
-DEF_IMGLIB_FN (void, g_error_free, (GError *));
-
-Lisp_Object Qgdk_pixbuf, Qglib, Qgobject;
+DEF_DLL_FN (RsvgHandle *, rsvg_handle_new, (void));
+DEF_DLL_FN (void, rsvg_handle_get_dimensions,
+ (RsvgHandle *, RsvgDimensionData *));
+DEF_DLL_FN (gboolean, rsvg_handle_write,
+ (RsvgHandle *, const guchar *, gsize, GError **));
+DEF_DLL_FN (gboolean, rsvg_handle_close, (RsvgHandle *, GError **));
+DEF_DLL_FN (GdkPixbuf *, rsvg_handle_get_pixbuf, (RsvgHandle *));
+DEF_DLL_FN (void, rsvg_handle_set_base_uri, (RsvgHandle *, const char *));
+
+DEF_DLL_FN (int, gdk_pixbuf_get_width, (const GdkPixbuf *));
+DEF_DLL_FN (int, gdk_pixbuf_get_height, (const GdkPixbuf *));
+DEF_DLL_FN (guchar *, gdk_pixbuf_get_pixels, (const GdkPixbuf *));
+DEF_DLL_FN (int, gdk_pixbuf_get_rowstride, (const GdkPixbuf *));
+DEF_DLL_FN (GdkColorspace, gdk_pixbuf_get_colorspace, (const GdkPixbuf *));
+DEF_DLL_FN (int, gdk_pixbuf_get_n_channels, (const GdkPixbuf *));
+DEF_DLL_FN (gboolean, gdk_pixbuf_get_has_alpha, (const GdkPixbuf *));
+DEF_DLL_FN (int, gdk_pixbuf_get_bits_per_sample, (const GdkPixbuf *));
+
+# if ! GLIB_CHECK_VERSION (2, 36, 0)
+DEF_DLL_FN (void, g_type_init, (void));
+# endif
+DEF_DLL_FN (void, g_object_unref, (gpointer));
+DEF_DLL_FN (void, g_error_free, (GError *));
static bool
init_svg_functions (void)
return 0;
}
- LOAD_IMGLIB_FN (library, rsvg_handle_new);
- LOAD_IMGLIB_FN (library, rsvg_handle_get_dimensions);
- LOAD_IMGLIB_FN (library, rsvg_handle_write);
- LOAD_IMGLIB_FN (library, rsvg_handle_close);
- LOAD_IMGLIB_FN (library, rsvg_handle_get_pixbuf);
- LOAD_IMGLIB_FN (library, rsvg_handle_set_base_uri);
-
- LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_width);
- LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_height);
- LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_pixels);
- LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_rowstride);
- LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_colorspace);
- LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_n_channels);
- LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_has_alpha);
- LOAD_IMGLIB_FN (gdklib, gdk_pixbuf_get_bits_per_sample);
-
-#if ! GLIB_CHECK_VERSION (2, 36, 0)
- LOAD_IMGLIB_FN (gobject, g_type_init);
-#endif
- LOAD_IMGLIB_FN (gobject, g_object_unref);
- LOAD_IMGLIB_FN (glib, g_error_free);
+ LOAD_DLL_FN (library, rsvg_handle_new);
+ LOAD_DLL_FN (library, rsvg_handle_get_dimensions);
+ LOAD_DLL_FN (library, rsvg_handle_write);
+ LOAD_DLL_FN (library, rsvg_handle_close);
+ LOAD_DLL_FN (library, rsvg_handle_get_pixbuf);
+ LOAD_DLL_FN (library, rsvg_handle_set_base_uri);
+
+ LOAD_DLL_FN (gdklib, gdk_pixbuf_get_width);
+ LOAD_DLL_FN (gdklib, gdk_pixbuf_get_height);
+ LOAD_DLL_FN (gdklib, gdk_pixbuf_get_pixels);
+ LOAD_DLL_FN (gdklib, gdk_pixbuf_get_rowstride);
+ LOAD_DLL_FN (gdklib, gdk_pixbuf_get_colorspace);
+ LOAD_DLL_FN (gdklib, gdk_pixbuf_get_n_channels);
+ LOAD_DLL_FN (gdklib, gdk_pixbuf_get_has_alpha);
+ LOAD_DLL_FN (gdklib, gdk_pixbuf_get_bits_per_sample);
+
+# if ! GLIB_CHECK_VERSION (2, 36, 0)
+ LOAD_DLL_FN (gobject, g_type_init);
+# endif
+ LOAD_DLL_FN (gobject, g_object_unref);
+ LOAD_DLL_FN (glib, g_error_free);
return 1;
}
-#else
/* The following aliases for library functions allow dynamic loading
to be used on some platforms. */
-#define fn_rsvg_handle_new rsvg_handle_new
-#define fn_rsvg_handle_get_dimensions rsvg_handle_get_dimensions
-#define fn_rsvg_handle_write rsvg_handle_write
-#define fn_rsvg_handle_close rsvg_handle_close
-#define fn_rsvg_handle_get_pixbuf rsvg_handle_get_pixbuf
-#define fn_rsvg_handle_set_base_uri rsvg_handle_set_base_uri
-
-#define fn_gdk_pixbuf_get_width gdk_pixbuf_get_width
-#define fn_gdk_pixbuf_get_height gdk_pixbuf_get_height
-#define fn_gdk_pixbuf_get_pixels gdk_pixbuf_get_pixels
-#define fn_gdk_pixbuf_get_rowstride gdk_pixbuf_get_rowstride
-#define fn_gdk_pixbuf_get_colorspace gdk_pixbuf_get_colorspace
-#define fn_gdk_pixbuf_get_n_channels gdk_pixbuf_get_n_channels
-#define fn_gdk_pixbuf_get_has_alpha gdk_pixbuf_get_has_alpha
-#define fn_gdk_pixbuf_get_bits_per_sample gdk_pixbuf_get_bits_per_sample
-#if ! GLIB_CHECK_VERSION (2, 36, 0)
-#define fn_g_type_init g_type_init
-#endif
-#define fn_g_object_unref g_object_unref
-#define fn_g_error_free g_error_free
-#endif /* !WINDOWSNT */
+# undef gdk_pixbuf_get_bits_per_sample
+# undef gdk_pixbuf_get_colorspace
+# undef gdk_pixbuf_get_has_alpha
+# undef gdk_pixbuf_get_height
+# undef gdk_pixbuf_get_n_channels
+# undef gdk_pixbuf_get_pixels
+# undef gdk_pixbuf_get_rowstride
+# undef gdk_pixbuf_get_width
+# undef g_error_free
+# undef g_object_unref
+# undef g_type_init
+# undef rsvg_handle_close
+# undef rsvg_handle_get_dimensions
+# undef rsvg_handle_get_pixbuf
+# undef rsvg_handle_new
+# undef rsvg_handle_set_base_uri
+# undef rsvg_handle_write
+
+# define gdk_pixbuf_get_bits_per_sample fn_gdk_pixbuf_get_bits_per_sample
+# define gdk_pixbuf_get_colorspace fn_gdk_pixbuf_get_colorspace
+# define gdk_pixbuf_get_has_alpha fn_gdk_pixbuf_get_has_alpha
+# define gdk_pixbuf_get_height fn_gdk_pixbuf_get_height
+# define gdk_pixbuf_get_n_channels fn_gdk_pixbuf_get_n_channels
+# define gdk_pixbuf_get_pixels fn_gdk_pixbuf_get_pixels
+# define gdk_pixbuf_get_rowstride fn_gdk_pixbuf_get_rowstride
+# define gdk_pixbuf_get_width fn_gdk_pixbuf_get_width
+# define g_error_free fn_g_error_free
+# define g_object_unref fn_g_object_unref
+# define g_type_init fn_g_type_init
+# define rsvg_handle_close fn_rsvg_handle_close
+# define rsvg_handle_get_dimensions fn_rsvg_handle_get_dimensions
+# define rsvg_handle_get_pixbuf fn_rsvg_handle_get_pixbuf
+# define rsvg_handle_new fn_rsvg_handle_new
+# define rsvg_handle_set_base_uri fn_rsvg_handle_set_base_uri
+# define rsvg_handle_write fn_rsvg_handle_write
+
+# endif /* !WINDOWSNT */
/* Load SVG image IMG for use on frame F. Value is true if
successful. */
#if ! GLIB_CHECK_VERSION (2, 36, 0)
/* g_type_init is a glib function that must be called prior to
using gnome type library functions (obsolete since 2.36.0). */
- fn_g_type_init ();
+ g_type_init ();
#endif
/* Make a handle to a new rsvg object. */
- rsvg_handle = fn_rsvg_handle_new ();
+ rsvg_handle = rsvg_handle_new ();
/* Set base_uri for properly handling referenced images (via 'href').
See rsvg bug 596114 - "image refs are relative to curdir, not .svg file"
(https://bugzilla.gnome.org/show_bug.cgi?id=596114). */
if (filename)
- fn_rsvg_handle_set_base_uri(rsvg_handle, filename);
+ rsvg_handle_set_base_uri(rsvg_handle, filename);
/* Parse the contents argument and fill in the rsvg_handle. */
- fn_rsvg_handle_write (rsvg_handle, contents, size, &err);
+ rsvg_handle_write (rsvg_handle, contents, size, &err);
if (err) goto rsvg_error;
/* The parsing is complete, rsvg_handle is ready to used, close it
for further writes. */
- fn_rsvg_handle_close (rsvg_handle, &err);
+ rsvg_handle_close (rsvg_handle, &err);
if (err) goto rsvg_error;
- fn_rsvg_handle_get_dimensions (rsvg_handle, &dimension_data);
+ rsvg_handle_get_dimensions (rsvg_handle, &dimension_data);
if (! check_image_size (f, dimension_data.width, dimension_data.height))
{
image_error ("Invalid image size (see `max-image-size')", Qnil, Qnil);
/* We can now get a valid pixel buffer from the svg file, if all
went ok. */
- pixbuf = fn_rsvg_handle_get_pixbuf (rsvg_handle);
+ pixbuf = rsvg_handle_get_pixbuf (rsvg_handle);
if (!pixbuf) goto rsvg_error;
- fn_g_object_unref (rsvg_handle);
+ g_object_unref (rsvg_handle);
/* Extract some meta data from the svg handle. */
- width = fn_gdk_pixbuf_get_width (pixbuf);
- height = fn_gdk_pixbuf_get_height (pixbuf);
- pixels = fn_gdk_pixbuf_get_pixels (pixbuf);
- rowstride = fn_gdk_pixbuf_get_rowstride (pixbuf);
+ width = gdk_pixbuf_get_width (pixbuf);
+ height = gdk_pixbuf_get_height (pixbuf);
+ pixels = gdk_pixbuf_get_pixels (pixbuf);
+ rowstride = gdk_pixbuf_get_rowstride (pixbuf);
/* Validate the svg meta data. */
- eassert (fn_gdk_pixbuf_get_colorspace (pixbuf) == GDK_COLORSPACE_RGB);
- eassert (fn_gdk_pixbuf_get_n_channels (pixbuf) == 4);
- eassert (fn_gdk_pixbuf_get_has_alpha (pixbuf));
- eassert (fn_gdk_pixbuf_get_bits_per_sample (pixbuf) == 8);
+ eassert (gdk_pixbuf_get_colorspace (pixbuf) == GDK_COLORSPACE_RGB);
+ eassert (gdk_pixbuf_get_n_channels (pixbuf) == 4);
+ eassert (gdk_pixbuf_get_has_alpha (pixbuf));
+ eassert (gdk_pixbuf_get_bits_per_sample (pixbuf) == 8);
+#ifdef USE_CAIRO
+ {
+ unsigned char *data = (unsigned char *) xmalloc (width*height*4);
+ int y;
+ uint32_t bgcolor = get_spec_bg_or_alpha_as_argb (img, f);
+
+ for (y = 0; y < height; ++y)
+ {
+ const guchar *iconptr = pixels + y * rowstride;
+ uint32_t *dataptr = (uint32_t *) (data + y * rowstride);
+ int x;
+
+ for (x = 0; x < width; ++x)
+ {
+ if (iconptr[3] == 0)
+ *dataptr = bgcolor;
+ else
+ *dataptr = (iconptr[0] << 16)
+ | (iconptr[1] << 8)
+ | iconptr[2]
+ | (iconptr[3] << 24);
+
+ iconptr += 4;
+ ++dataptr;
+ }
+ }
+
+ create_cairo_image_surface (img, data, width, height);
+ g_object_unref (pixbuf);
+ }
+#else
/* Try to create a x pixmap to hold the svg pixmap. */
if (!image_create_x_image_and_pixmap (f, img, width, height, 0, &ximg, 0))
{
- fn_g_object_unref (pixbuf);
+ g_object_unref (pixbuf);
return 0;
}
free_color_table ();
#endif /* COLOR_TABLE_SUPPORT */
- fn_g_object_unref (pixbuf);
+ g_object_unref (pixbuf);
img->width = width;
img->height = height;
/* Put ximg into the image. */
image_put_x_image (f, img, ximg, 0);
+#endif /* ! USE_CAIRO */
return 1;
rsvg_error:
- fn_g_object_unref (rsvg_handle);
+ g_object_unref (rsvg_handle);
/* FIXME: Use error->message so the user knows what is the actual
problem with the image. */
image_error ("Error parsing SVG image `%s'", img->spec, Qnil);
- fn_g_error_free (err);
+ g_error_free (err);
return 0;
}
static bool gs_load (struct frame *f, struct image *img);
static void gs_clear_image (struct frame *f, struct image *img);
-/* Keyword symbols. */
-
-static Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
-
/* Indices of image specification fields in gs_format, below. */
enum gs_keyword_index
static struct image_type gs_type =
{
- &Qpostscript,
+ SYMBOL_INDEX (Qpostscript),
gs_image_p,
gs_load,
gs_clear_image,
/* For each pixel of the image, look its color up in the
color table. After having done so, the color table will
contain an entry for each color used by the image. */
+#ifdef COLOR_TABLE_SUPPORT
for (y = 0; y < img->height; ++y)
for (x = 0; x < img->width; ++x)
{
unsigned long pixel = XGetPixel (ximg, x, y);
+
lookup_pixel_color (f, pixel);
}
/* Record colors in the image. Free color table and XImage. */
-#ifdef COLOR_TABLE_SUPPORT
img->colors = colors_in_color_table (&img->ncolors);
free_color_table ();
#endif
}
-DEFUN ("lookup-image", Flookup_image, Slookup_image, 1, 1, 0, "")
+DEFUN ("lookup-image", Flookup_image, Slookup_image, 1, 1, 0,
+ doc: /* */)
(Lisp_Object spec)
{
ptrdiff_t id = -1;
return define_image_type (&gif_type);
#endif
-#if defined (HAVE_PNG) || defined (HAVE_NS)
+#if defined (HAVE_PNG) || defined (HAVE_NS) || defined (USE_CAIRO)
if (EQ (type, Qpng))
return define_image_type (&png_type);
#endif
non-numeric, there is no explicit limit on the size of images. */);
Vmax_image_size = make_float (MAX_IMAGE_SIZE);
+ /* Other symbols. */
DEFSYM (Qcount, "count");
DEFSYM (Qextension_data, "extension-data");
DEFSYM (Qdelay, "delay");
+ /* Keywords. */
DEFSYM (QCascent, ":ascent");
DEFSYM (QCmargin, ":margin");
DEFSYM (QCrelief, ":relief");
DEFSYM (QCcolor_adjustment, ":color-adjustment");
DEFSYM (QCmask, ":mask");
+ /* Other symbols. */
DEFSYM (Qlaplace, "laplace");
DEFSYM (Qemboss, "emboss");
DEFSYM (Qedge_detection, "edge-detection");
#endif /* HAVE_GHOSTSCRIPT */
#ifdef HAVE_NTGUI
+ /* Versions of libpng, libgif, and libjpeg that we were compiled with,
+ or -1 if no PNG/GIF support was compiled in. This is tested by
+ w32-win.el to correctly set up the alist used to search for the
+ respective image libraries. */
DEFSYM (Qlibpng_version, "libpng-version");
Fset (Qlibpng_version,
#if HAVE_PNG