X-Git-Url: https://code.delx.au/refind/blobdiff_plain/f0db0ad762ff705bf5663b2ee1356508f7fc9265..c234a62eb700ca3167345fc1be035fdcf19999b4:/libeg/screen.c
diff --git a/libeg/screen.c b/libeg/screen.c
index 84062db..506355e 100644
--- a/libeg/screen.c
+++ b/libeg/screen.c
@@ -34,18 +34,34 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
- * Modifications copyright (c) 2012 Roderick W. Smith
+ * Modifications copyright (c) 2012-2014 Roderick W. Smith
*
* Modifications distributed under the terms of the GNU General Public
- * License (GPL) version 3 (GPLv3), a copy of which must be distributed
- * with this source code or binaries made from it.
+ * License (GPL) version 3 (GPLv3), or (at your option) any later version.
*
*/
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
#include "libegint.h"
#include "../refind/screen.h"
#include "../refind/lib.h"
+#include "../refind/mystrings.h"
#include "../include/refit_call_wrapper.h"
+#include "libeg.h"
+#include "../include/Handle.h"
#include
#include
@@ -73,6 +89,10 @@ static UINTN egScreenHeight = 600;
// Screen handling
//
+// Make the necessary system calls to identify the current graphics mode.
+// Stores the results in the file-global variables egScreenWidth,
+// egScreenHeight, and egHasGraphics. The first two of these will be
+// unchanged if neither GraphicsOutput nor UgaDraw is a valid pointer.
static VOID egDetermineScreenSize(VOID) {
EFI_STATUS Status = EFI_SUCCESS;
UINT32 UGAWidth, UGAHeight, UGADepth, UGARefreshRate;
@@ -93,6 +113,16 @@ static VOID egDetermineScreenSize(VOID) {
egHasGraphics = TRUE;
}
}
+} // static VOID egDetermineScreenSize()
+
+VOID egGetScreenSize(OUT UINTN *ScreenWidth, OUT UINTN *ScreenHeight)
+{
+ egDetermineScreenSize();
+
+ if (ScreenWidth != NULL)
+ *ScreenWidth = egScreenWidth;
+ if (ScreenHeight != NULL)
+ *ScreenHeight = egScreenHeight;
}
VOID egInitScreen(VOID)
@@ -115,6 +145,25 @@ VOID egInitScreen(VOID)
egDetermineScreenSize();
}
+// Convert a graphics mode (in *ModeWidth) to a width and height (returned in
+// *ModeWidth and *Height, respectively).
+// Returns TRUE if successful, FALSE if not (invalid mode, typically)
+BOOLEAN egGetResFromMode(UINTN *ModeWidth, UINTN *Height) {
+ UINTN Size;
+ EFI_STATUS Status;
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info = NULL;
+
+ if ((ModeWidth != NULL) && (Height != NULL)) {
+ Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, *ModeWidth, &Size, &Info);
+ if ((Status == EFI_SUCCESS) && (Info != NULL)) {
+ *ModeWidth = Info->HorizontalResolution;
+ *Height = Info->VerticalResolution;
+ return TRUE;
+ }
+ }
+ return FALSE;
+} // BOOLEAN egGetResFromMode()
+
// Sets the screen resolution to the specified value, if possible. If *ScreenHeight
// is 0 and GOP mode is detected, assume that *ScreenWidth contains a GOP mode
// number rather than a horizontal resolution. If the specified resolution is not
@@ -127,48 +176,34 @@ VOID egInitScreen(VOID)
BOOLEAN egSetScreenSize(IN OUT UINTN *ScreenWidth, IN OUT UINTN *ScreenHeight) {
EFI_STATUS Status = EFI_SUCCESS;
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
- UINT32 ModeNum = 0;
UINTN Size;
- BOOLEAN ModeSet = FALSE;
+ UINT32 ModeNum = 0;
UINT32 UGAWidth, UGAHeight, UGADepth, UGARefreshRate;
+ BOOLEAN ModeSet = FALSE;
+
+ if ((ScreenWidth == NULL) || (ScreenHeight == NULL))
+ return FALSE;
if (GraphicsOutput != NULL) { // GOP mode (UEFI)
if (*ScreenHeight == 0) { // User specified a mode number (stored in *ScreenWidth); use it directly
-// if ((*ScreenWidth == GraphicsOutput->Mode->Mode)) { // user requested current mode; do nothing
-// ModeSet = TRUE;
-// *ScreenWidth = Info->HorizontalResolution;
-// *ScreenHeight = Info->VerticalResolution;
-// } else {
- ModeNum = (UINT32) *ScreenWidth;
+ ModeNum = (UINT32) *ScreenWidth;
+ if (egGetResFromMode(ScreenWidth, ScreenHeight) &&
+ (refit_call2_wrapper(GraphicsOutput->SetMode, GraphicsOutput, ModeNum) == EFI_SUCCESS)) {
+ ModeSet = TRUE;
+ }
+
+ // User specified width & height; must find mode...
+ } else {
+ // Do a loop through the modes to see if the specified one is available;
+ // and if so, switch to it....
+ do {
Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, ModeNum, &Size, &Info);
- if (Status == EFI_SUCCESS) {
+ if ((Status == EFI_SUCCESS) && (Size >= sizeof(*Info) && (Info != NULL)) &&
+ (Info->HorizontalResolution == *ScreenWidth) && (Info->VerticalResolution == *ScreenHeight)) {
Status = refit_call2_wrapper(GraphicsOutput->SetMode, GraphicsOutput, ModeNum);
- if (Status == EFI_SUCCESS) {
- ModeSet = TRUE;
- *ScreenWidth = Info->HorizontalResolution;
- *ScreenHeight = Info->VerticalResolution;
- } // if set mode OK
- } // if queried mode OK
-// } // if/else
-
- // User specified width & height; must find mode -- but only if change is required....
- } else {
- Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, GraphicsOutput->Mode->Mode, &Size, &Info);
-// if ((Status == EFI_SUCCESS) && (Info->HorizontalResolution == *ScreenWidth) &&
-// (Info->VerticalResolution == *ScreenHeight) && !AlwaysSet) {
-// ModeSet = TRUE; // user requested current mode; do nothing
-// } else {
- // Do a loop through the modes to see if the specified one is available;
- // and if so, switch to it....
- do {
- Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, ModeNum, &Size, &Info);
- if ((Status == EFI_SUCCESS) && (Size >= sizeof(*Info)) &&
- (Info->HorizontalResolution == *ScreenWidth) && (Info->VerticalResolution == *ScreenHeight)) {
- Status = refit_call2_wrapper(GraphicsOutput->SetMode, GraphicsOutput, ModeNum);
- ModeSet = (Status == EFI_SUCCESS);
- } // if
- } while ((++ModeNum < GraphicsOutput->Mode->MaxMode) && !ModeSet);
-// } // if/else
+ ModeSet = (Status == EFI_SUCCESS);
+ } // if
+ } while ((++ModeNum < GraphicsOutput->Mode->MaxMode) && !ModeSet);
} // if/else
if (ModeSet) {
@@ -186,7 +221,7 @@ BOOLEAN egSetScreenSize(IN OUT UINTN *ScreenWidth, IN OUT UINTN *ScreenHeight) {
} while (++ModeNum < GraphicsOutput->Mode->MaxMode);
PauseForKey();
SwitchToGraphics();
- } // if()
+ } // if GOP mode (UEFI)
} else if (UgaDraw != NULL) { // UGA mode (EFI 1.x)
// Try to use current color depth & refresh rate for new mode. Maybe not the best choice
@@ -203,20 +238,10 @@ BOOLEAN egSetScreenSize(IN OUT UINTN *ScreenWidth, IN OUT UINTN *ScreenHeight) {
// This is just a placeholder until something better can be done....
Print(L"Error setting graphics mode %d x %d; unsupported mode!\n");
} // if/else
- } // if/else if
+ } // if/else if UGA mode (EFI 1.x)
return (ModeSet);
} // BOOLEAN egSetScreenSize()
-VOID egGetScreenSize(OUT UINTN *ScreenWidth, OUT UINTN *ScreenHeight)
-{
- egDetermineScreenSize();
-
- if (ScreenWidth != NULL)
- *ScreenWidth = egScreenWidth;
- if (ScreenHeight != NULL)
- *ScreenHeight = egScreenHeight;
-}
-
// Set a text mode.
// Returns TRUE if the mode actually changed, FALSE otherwise.
// Note that a FALSE return value can mean either an error or no change
@@ -226,19 +251,19 @@ BOOLEAN egSetTextMode(UINT32 RequestedMode) {
EFI_STATUS Status;
BOOLEAN ChangedIt = FALSE;
- if (RequestedMode != ST->ConOut->Mode->Mode) {
-// SwitchToGraphics();
+ if ((RequestedMode != DONT_CHANGE_TEXT_MODE) && (RequestedMode != ST->ConOut->Mode->Mode)) {
Status = refit_call2_wrapper(ST->ConOut->SetMode, ST->ConOut, RequestedMode);
if (Status == EFI_SUCCESS) {
ChangedIt = TRUE;
} else {
SwitchToText(FALSE);
- Print(L"Error setting text mode %d; available modes are:\n", RequestedMode);
+ Print(L"\nError setting text mode %d; available modes are:\n", RequestedMode);
do {
Status = refit_call4_wrapper(ST->ConOut->QueryMode, ST->ConOut, i, &Width, &Height);
if (Status == EFI_SUCCESS)
Print(L"Mode %d: %d x %d\n", i, Width, Height);
} while (++i < ST->ConOut->Mode->MaxMode);
+ Print(L"Mode %d: Use default mode\n", DONT_CHANGE_TEXT_MODE);
PauseForKey();
SwitchToGraphics();
@@ -300,7 +325,6 @@ VOID egSetGraphicsModeEnabled(IN BOOLEAN Enable)
EFI_CONSOLE_CONTROL_SCREEN_MODE CurrentMode;
EFI_CONSOLE_CONTROL_SCREEN_MODE NewMode;
- egSetTextMode(GlobalConfig.RequestedTextMode);
if (ConsoleControl != NULL) {
refit_call4_wrapper(ConsoleControl->GetMode, ConsoleControl, &CurrentMode, NULL, NULL);
@@ -346,22 +370,51 @@ VOID egClearScreen(IN EG_PIXEL *Color)
VOID egDrawImage(IN EG_IMAGE *Image, IN UINTN ScreenPosX, IN UINTN ScreenPosY)
{
- if (!egHasGraphics)
+ EG_IMAGE *CompImage = NULL;
+
+ // NOTE: Weird seemingly redundant tests because some placement code can "wrap around" and
+ // send "negative" values, which of course become very large unsigned ints that can then
+ // wrap around AGAIN if values are added to them.....
+ if (!egHasGraphics || ((ScreenPosX + Image->Width) > egScreenWidth) || ((ScreenPosY + Image->Height) > egScreenHeight) ||
+ (ScreenPosX > egScreenWidth) || (ScreenPosY > egScreenHeight))
return;
- if (Image->HasAlpha) {
- Image->HasAlpha = FALSE;
- egSetPlane(PLPTR(Image, a), 0, Image->Width * Image->Height);
+ if ((GlobalConfig.ScreenBackground == NULL) || ((Image->Width == egScreenWidth) && (Image->Height == egScreenHeight))) {
+ CompImage = Image;
+ } else if (GlobalConfig.ScreenBackground == Image) {
+ CompImage = GlobalConfig.ScreenBackground;
+ } else {
+ CompImage = egCropImage(GlobalConfig.ScreenBackground, ScreenPosX, ScreenPosY, Image->Width, Image->Height);
+ if (CompImage == NULL) {
+ Print(L"Error! Can't crop image in egDrawImage()!\n");
+ return;
+ }
+ egComposeImage(CompImage, Image, 0, 0);
}
if (GraphicsOutput != NULL) {
- refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData, EfiBltBufferToVideo,
- 0, 0, ScreenPosX, ScreenPosY, Image->Width, Image->Height, 0);
+ refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)CompImage->PixelData,
+ EfiBltBufferToVideo, 0, 0, ScreenPosX, ScreenPosY, CompImage->Width, CompImage->Height, 0);
} else if (UgaDraw != NULL) {
- refit_call10_wrapper(UgaDraw->Blt, UgaDraw, (EFI_UGA_PIXEL *)Image->PixelData, EfiUgaBltBufferToVideo,
- 0, 0, ScreenPosX, ScreenPosY, Image->Width, Image->Height, 0);
+ refit_call10_wrapper(UgaDraw->Blt, UgaDraw, (EFI_UGA_PIXEL *)CompImage->PixelData, EfiUgaBltBufferToVideo,
+ 0, 0, ScreenPosX, ScreenPosY, CompImage->Width, CompImage->Height, 0);
}
-}
+ if ((CompImage != GlobalConfig.ScreenBackground) && (CompImage != Image))
+ egFreeImage(CompImage);
+} /* VOID egDrawImage() */
+
+// Display an unselected icon on the screen, so that the background image shows
+// through the transparency areas. The BadgeImage may be NULL, in which case
+// it's not composited in.
+VOID egDrawImageWithTransparency(EG_IMAGE *Image, EG_IMAGE *BadgeImage, UINTN XPos, UINTN YPos, UINTN Width, UINTN Height) {
+ EG_IMAGE *Background;
+
+ Background = egCropImage(GlobalConfig.ScreenBackground, XPos, YPos, Width, Height);
+ if (Background != NULL) {
+ BltImageCompositeBadge(Background, Image, BadgeImage, XPos, YPos);
+ egFreeImage(Background);
+ }
+} // VOID DrawImageWithTransparency()
VOID egDrawImageArea(IN EG_IMAGE *Image,
IN UINTN AreaPosX, IN UINTN AreaPosY,
@@ -375,17 +428,13 @@ VOID egDrawImageArea(IN EG_IMAGE *Image,
if (AreaWidth == 0)
return;
- if (Image->HasAlpha) {
- Image->HasAlpha = FALSE;
- egSetPlane(PLPTR(Image, a), 0, Image->Width * Image->Height);
- }
-
if (GraphicsOutput != NULL) {
- refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData, EfiBltBufferToVideo,
- AreaPosX, AreaPosY, ScreenPosX, ScreenPosY, AreaWidth, AreaHeight, Image->Width * 4);
+ refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData,
+ EfiBltBufferToVideo, AreaPosX, AreaPosY, ScreenPosX, ScreenPosY, AreaWidth, AreaHeight,
+ Image->Width * 4);
} else if (UgaDraw != NULL) {
refit_call10_wrapper(UgaDraw->Blt, UgaDraw, (EFI_UGA_PIXEL *)Image->PixelData, EfiUgaBltBufferToVideo,
- AreaPosX, AreaPosY, ScreenPosX, ScreenPosY, AreaWidth, AreaHeight, Image->Width * 4);
+ AreaPosX, AreaPosY, ScreenPosX, ScreenPosY, AreaWidth, AreaHeight, Image->Width * 4);
}
}
@@ -397,16 +446,42 @@ VOID egDisplayMessage(IN CHAR16 *Text, EG_PIXEL *BGColor) {
EG_IMAGE *Box;
if ((Text != NULL) && (BGColor != NULL)) {
- BoxWidth = (StrLen(Text) + 2) * FONT_CELL_WIDTH;
+ egMeasureText(Text, &BoxWidth, &BoxHeight);
+ BoxWidth += 14;
+ BoxHeight *= 2;
if (BoxWidth > egScreenWidth)
BoxWidth = egScreenWidth;
- BoxHeight = 2 * FONT_CELL_HEIGHT;
Box = egCreateFilledImage(BoxWidth, BoxHeight, FALSE, BGColor);
- egRenderText(Text, Box, FONT_CELL_WIDTH, FONT_CELL_HEIGHT / 2);
+ egRenderText(Text, Box, 7, BoxHeight / 4, (BGColor->r + BGColor->g + BGColor->b) / 3);
egDrawImage(Box, (egScreenWidth - BoxWidth) / 2, (egScreenHeight - BoxHeight) / 2);
} // if non-NULL inputs
} // VOID egDisplayMessage()
+// Copy the current contents of the display into an EG_IMAGE....
+// Returns pointer if successful, NULL if not.
+EG_IMAGE * egCopyScreen(VOID) {
+ EG_IMAGE *Image = NULL;
+
+ if (!egHasGraphics)
+ return NULL;
+
+ // allocate a buffer for the whole screen
+ Image = egCreateImage(egScreenWidth, egScreenHeight, FALSE);
+ if (Image == NULL) {
+ return NULL;
+ }
+
+ // get full screen image
+ if (GraphicsOutput != NULL) {
+ refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData,
+ EfiBltVideoToBltBuffer, 0, 0, 0, 0, Image->Width, Image->Height, 0);
+ } else if (UgaDraw != NULL) {
+ refit_call10_wrapper(UgaDraw->Blt, UgaDraw, (EFI_UGA_PIXEL *)Image->PixelData, EfiUgaVideoToBltBuffer,
+ 0, 0, 0, 0, Image->Width, Image->Height, 0);
+ }
+ return Image;
+} // EG_IMAGE * egCopyScreen()
+
//
// Make a screenshot
//
@@ -418,24 +493,14 @@ VOID egScreenShot(VOID)
UINT8 *FileData;
UINTN FileDataLength;
UINTN Index;
+ UINTN ssNum;
+ CHAR16 Filename[80];
+ EFI_FILE* BaseDir;
- if (!egHasGraphics)
- return;
-
- // allocate a buffer for the whole screen
- Image = egCreateImage(egScreenWidth, egScreenHeight, FALSE);
+ Image = egCopyScreen();
if (Image == NULL) {
- Print(L"Error egCreateImage returned NULL\n");
- goto bailout_wait;
- }
-
- // get full screen image
- if (GraphicsOutput != NULL) {
- refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData, EfiBltVideoToBltBuffer,
- 0, 0, 0, 0, Image->Width, Image->Height, 0);
- } else if (UgaDraw != NULL) {
- refit_call10_wrapper(UgaDraw->Blt, UgaDraw, (EFI_UGA_PIXEL *)Image->PixelData, EfiUgaVideoToBltBuffer,
- 0, 0, 0, 0, Image->Width, Image->Height, 0);
+ Print(L"Error: Unable to take screen shot\n");
+ goto bailout_wait;
}
// encode as BMP
@@ -446,11 +511,20 @@ VOID egScreenShot(VOID)
goto bailout_wait;
}
+ Status = egFindESP(&BaseDir);
+ if (EFI_ERROR(Status))
+ return;
+
+ // Search for existing screen shot files; increment number to an unused value...
+ ssNum = 001;
+ do {
+ SPrint(Filename, 80, L"screenshot_%03d.bmp", ssNum++);
+ } while (FileExists(BaseDir, Filename));
+
// save to file on the ESP
- Status = egSaveFile(NULL, L"screenshot.bmp", FileData, FileDataLength);
+ Status = egSaveFile(BaseDir, Filename, FileData, FileDataLength);
FreePool(FileData);
- if (EFI_ERROR(Status)) {
- Print(L"Error egSaveFile: %x\n", Status);
+ if (CheckError(Status, L"in egSaveFile()")) {
goto bailout_wait;
}