EFI_STATUS
EFIAPI
GetImageDims (//IN APPLE_IMAGE_CODEC_PROTOCOL* This,
VOID *ImageBuffer,
UINTN ImageSize,
UINT32 *ImageWidth,
UINT32 *ImageHeight
)
{
EG_IMAGE *Image;
DBG("AppleImageCodec GetImageDims: Status = ");
Image = egDecodeAny((UINT8*)ImageBuffer, ImageSize, FALSE);
if (Image == NULL) {
DBG("EFI_UNSUPPORTED\n");
return EFI_UNSUPPORTED;
}
*ImageWidth = (UINT32)Image->Width;
*ImageHeight = (UINT32)Image->Height;
DBG("EFI_SUCCESS, Width=%d, Height=%d\n", *ImageWidth, *ImageHeight);
DBG("ImageBuffer=%p, ImageSize=%d\n", ImageBuffer, ImageSize);
DBG("ImageWidth=%p, ImageHeight=%p\n", ImageWidth, ImageHeight);
DBG("Decoded: W=%d, H=%d\n", Image->Width, Image->Height);
egFreeImage(Image);
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
RecognizeImageData (//IN APPLE_IMAGE_CODEC_PROTOCOL* This,
VOID *ImageBuffer,
UINTN ImageSize,
OUT VOID **OutBuffer
)
{
EG_IMAGE *Image;
if (!ImageBuffer) {
return EFI_INVALID_PARAMETER;
}
if (*(UINT16*)ImageBuffer == 0x02) {
return EFI_SUCCESS; //this is efires image
}
DBG("AppleImageCodec RecognizeImageData: Status = ");
Image = egDecodeAny((UINT8*)ImageBuffer, ImageSize, FALSE);
if (Image == NULL) {
DBG("EFI_UNSUPPORTED\n");
return EFI_UNSUPPORTED;
}
DBG("EFI_SUCCESS\n");
DBG("ImageBuffer=%p, ImageSize=%d\n", ImageBuffer, ImageSize);
DBG("Decoded: W=%d, H=%d\n", Image->Width, Image->Height);
egFreeImage(Image);
return EFI_SUCCESS;
}
// Load a font bitmap from the specified file
VOID egLoadFont(IN CHAR16 *Filename) {
if (BaseFontImage)
egFreeImage(BaseFontImage);
BaseFontImage = egLoadImage(SelfDir, Filename, TRUE);
if (BaseFontImage == NULL)
Print(L"Note: Font image file %s is invalid! Using default font!\n");
egPrepareFont();
} // BOOLEAN egLoadFont()
VOID egFreeImageView(IN EG_IMAGE_VIEW *ImageView)
{
if (ImageView != NULL) {
if (ImageView->Image != NULL)
egFreeImage(ImageView->Image);
if (ImageView->Name != NULL)
FreePool(ImageView->Name);
FreePool(ImageView);
}
}
VOID BltImageAlpha(IN EG_IMAGE *Image, IN UINTN XPos, IN UINTN YPos, IN EG_PIXEL *BackgroundPixel)
{
EG_IMAGE *CompImage;
// compose on background
CompImage = egCreateFilledImage(Image->Width, Image->Height, FALSE, BackgroundPixel);
egComposeImage(CompImage, Image, 0, 0);
// blit to screen and clean up
egDrawImage(CompImage, XPos, YPos);
egFreeImage(CompImage);
GraphicsScreenDirty = TRUE;
}
VOID egScreenShot(VOID)
{
EFI_STATUS Status;
EG_IMAGE *Image;
UINT8 *FileData;
UINTN FileDataLength;
UINTN Index;
if (!egHasGraphics)
return;
// allocate a buffer for the whole screen
Image = egCreateImage(egScreenWidth, egScreenHeight, FALSE);
if (Image == NULL) {
Print(L"Error egCreateImage returned NULL\n");
goto bailout_wait;
}
// get full screen image
if (GraphicsOutput != NULL) {
GraphicsOutput->Blt(GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData, EfiBltVideoToBltBuffer,
0, 0, 0, 0, Image->Width, Image->Height, 0);
} else if (UgaDraw != NULL) {
UgaDraw->Blt(UgaDraw, (EFI_UGA_PIXEL *)Image->PixelData, EfiUgaVideoToBltBuffer,
0, 0, 0, 0, Image->Width, Image->Height, 0);
}
// encode as BMP
egEncodeBMP(Image, &FileData, &FileDataLength);
egFreeImage(Image);
if (FileData == NULL) {
Print(L"Error egEncodeBMP returned NULL\n");
goto bailout_wait;
}
// save to file on the ESP
Status = egSaveFile(NULL, L"screenshot.bmp", FileData, FileDataLength);
FreePool(FileData);
if (EFI_ERROR(Status)) {
Print(L"Error egSaveFile: %x\n", Status);
goto bailout_wait;
}
return;
// DEBUG: switch to text mode
bailout_wait:
egSetGraphicsModeEnabled(FALSE);
BS->WaitForEvent(1, &ST->ConIn->WaitForKey, &Index);
}
EFI_STATUS
EFIAPI
DecodeImageData (//IN APPLE_IMAGE_CODEC_PROTOCOL* This,
VOID *ImageBuffer,
UINTN ImageSize,
EFI_UGA_PIXEL **RawImageData,
UINT32 *RawImageDataSize
)
{
EFI_STATUS Status;
EG_IMAGE *Image;
INTN Index;
//automatic choose format
if (!RawImageData || !RawImageDataSize) {
return EFI_INVALID_PARAMETER;
}
DBG("AppleImageCodec DecodeImageData: Status = ");
Image = egDecodeAny((UINT8*)ImageBuffer, ImageSize, FALSE);
if (Image == NULL) {
DBG("EFI_UNSUPPORTED\n");
return EFI_UNSUPPORTED;
}
*RawImageDataSize = (UINT32)(Image->Width * Image->Height * sizeof(EFI_UGA_PIXEL));
Status = gBS->AllocatePool(EfiBootServicesData, *RawImageDataSize, (VOID **)RawImageData);
if (!EFI_ERROR(Status)) {
gBS->CopyMem(*RawImageData, (VOID*)Image->PixelData, *RawImageDataSize);
}
DBG("EFI_SUCCESS, RawImageDataSize=%d\n", *RawImageDataSize);
DBG("ImageBuffer=%p, ImageSize=%d\n", ImageBuffer, ImageSize);
DBG("Decoded: W=%d, H=%d\n", Image->Width, Image->Height);
for (Index=0; Index<10; Index++) {
DBG("P%d: r,g,b,a= %x, %x, %x, %x\n", Index, (*RawImageData)[Index].Red, (*RawImageData)[Index].Green, (*RawImageData)[Index].Blue, (*RawImageData)[Index].Reserved);
}
egFreeImage(Image);
return EFI_SUCCESS;
}
EG_IMAGE_VIEW * egCreateImageView(IN UINTN Width, IN UINTN Height, IN BOOLEAN HasAlpha, IN UINTN PosX, IN UINTN PosY, IN CHAR16 *Name)
{
EG_IMAGE_VIEW * NewImageView;
NewImageView = (EG_IMAGE_VIEW *) AllocateZeroPool(sizeof(EG_IMAGE_VIEW));
if (NewImageView == NULL)
return NULL;
NewImageView->Image = egCreateImage(Width, Height, HasAlpha);
if (NewImageView->Image == NULL) {
FreePool(NewImageView);
return NULL;
}
NewImageView->Name = PoolPrint(Name);
if (NewImageView->Name == NULL) {
egFreeImage(NewImageView->Image);
FreePool(NewImageView);
return NULL;
}
NewImageView->PosX = PosX;
NewImageView->PosY = PosY;
return NewImageView;
}
VOID BltClearScreen(BOOLEAN ShowBanner)
{
static EG_IMAGE *Banner = NULL;
EG_IMAGE *NewBanner = NULL;
INTN BannerPosX, BannerPosY;
EG_PIXEL Black = { 0x0, 0x0, 0x0, 0 };
if (ShowBanner && !(GlobalConfig.HideUIFlags & HIDEUI_FLAG_BANNER)) {
// load banner on first call
if (Banner == NULL) {
if (GlobalConfig.BannerFileName)
Banner = egLoadImage(SelfDir, GlobalConfig.BannerFileName, FALSE);
if (Banner == NULL)
Banner = egPrepareEmbeddedImage(&egemb_refind_banner, FALSE);
}
if (Banner) {
if (GlobalConfig.BannerScale == BANNER_FILLSCREEN) {
if ((Banner->Height != UGAHeight) || (Banner->Width != UGAWidth)) {
NewBanner = egScaleImage(Banner, UGAWidth, UGAHeight);
} // if
} else if ((Banner->Width > UGAWidth) || (Banner->Height > UGAHeight)) {
NewBanner = egCropImage(Banner, 0, 0, (Banner->Width > UGAWidth) ? UGAWidth : Banner->Width,
(Banner->Height > UGAHeight) ? UGAHeight : Banner->Height);
} // if/elseif
if (NewBanner) {
MyFreePool(Banner);
Banner = NewBanner;
}
MenuBackgroundPixel = Banner->PixelData[0];
} // if Banner exists
// clear and draw banner
if (GlobalConfig.ScreensaverTime != -1)
egClearScreen(&MenuBackgroundPixel);
else
egClearScreen(&Black);
if (Banner != NULL) {
BannerPosX = (Banner->Width < UGAWidth) ? ((UGAWidth - Banner->Width) / 2) : 0;
BannerPosY = (INTN) (ComputeRow0PosY() / 2) - (INTN) Banner->Height;
if (BannerPosY < 0)
BannerPosY = 0;
GlobalConfig.BannerBottomEdge = BannerPosY + Banner->Height;
if (GlobalConfig.ScreensaverTime != -1)
BltImage(Banner, (UINTN) BannerPosX, (UINTN) BannerPosY);
}
} else { // not showing banner
// clear to menu background color
egClearScreen(&MenuBackgroundPixel);
if (GlobalConfig.SavedScreen != NULL) {
BltImage(GlobalConfig.SavedScreen, 0, 0);
}
}
GraphicsScreenDirty = FALSE;
egFreeImage(GlobalConfig.ScreenBackground);
GlobalConfig.ScreenBackground = egCopyScreen();
} // VOID BltClearScreen()
