diff options
Diffstat (limited to 'MdeModulePkg/Library/BaseBmpSupportLib/BmpSupportLib.c')
| -rw-r--r-- | MdeModulePkg/Library/BaseBmpSupportLib/BmpSupportLib.c | 244 |
1 files changed, 127 insertions, 117 deletions
diff --git a/MdeModulePkg/Library/BaseBmpSupportLib/BmpSupportLib.c b/MdeModulePkg/Library/BaseBmpSupportLib/BmpSupportLib.c index 3ac31f6723..c5e885d7a6 100644 --- a/MdeModulePkg/Library/BaseBmpSupportLib/BmpSupportLib.c +++ b/MdeModulePkg/Library/BaseBmpSupportLib/BmpSupportLib.c @@ -31,22 +31,22 @@ // BMP Image header for an uncompressed 24-bit per pixel BMP image.
//
const BMP_IMAGE_HEADER mBmpImageHeaderTemplate = {
- 'B', // CharB
- 'M', // CharM
- 0, // Size will be updated at runtime
- {0, 0}, // Reserved
- sizeof (BMP_IMAGE_HEADER), // ImageOffset
+ 'B', // CharB
+ 'M', // CharM
+ 0, // Size will be updated at runtime
+ { 0, 0 }, // Reserved
+ sizeof (BMP_IMAGE_HEADER), // ImageOffset
sizeof (BMP_IMAGE_HEADER) - OFFSET_OF (BMP_IMAGE_HEADER, HeaderSize), // HeaderSize
- 0, // PixelWidth will be updated at runtime
- 0, // PixelHeight will be updated at runtime
- 1, // Planes
- 24, // BitPerPixel
- 0, // CompressionType
- 0, // ImageSize will be updated at runtime
- 0, // XPixelsPerMeter
- 0, // YPixelsPerMeter
- 0, // NumberOfColors
- 0 // ImportantColors
+ 0, // PixelWidth will be updated at runtime
+ 0, // PixelHeight will be updated at runtime
+ 1, // Planes
+ 24, // BitPerPixel
+ 0, // CompressionType
+ 0, // ImageSize will be updated at runtime
+ 0, // XPixelsPerMeter
+ 0, // YPixelsPerMeter
+ 0, // NumberOfColors
+ 0 // ImportantColors
};
/**
@@ -104,10 +104,11 @@ TranslateBmpToGopBlt ( UINT32 DataSize;
UINT32 Temp;
- if (BmpImage == NULL || GopBlt == NULL || GopBltSize == NULL) {
+ if ((BmpImage == NULL) || (GopBlt == NULL) || (GopBltSize == NULL)) {
return RETURN_INVALID_PARAMETER;
}
- if (PixelHeight == NULL || PixelWidth == NULL) {
+
+ if ((PixelHeight == NULL) || (PixelWidth == NULL)) {
return RETURN_INVALID_PARAMETER;
}
@@ -118,7 +119,7 @@ TranslateBmpToGopBlt ( BmpHeader = (BMP_IMAGE_HEADER *)BmpImage;
- if (BmpHeader->CharB != 'B' || BmpHeader->CharM != 'M') {
+ if ((BmpHeader->CharB != 'B') || (BmpHeader->CharM != 'M')) {
DEBUG ((DEBUG_ERROR, "TranslateBmpToGopBlt: BmpHeader->Char fields incorrect\n"));
return RETURN_UNSUPPORTED;
}
@@ -179,17 +180,18 @@ TranslateBmpToGopBlt ( }
DataSizePerLine = (DataSizePerLine >> 3) &(~0x3);
- Status = SafeUint32Mult (
- DataSizePerLine,
- BmpHeader->PixelHeight,
- &BltBufferSize
- );
+ Status = SafeUint32Mult (
+ DataSizePerLine,
+ BmpHeader->PixelHeight,
+ &BltBufferSize
+ );
if (EFI_ERROR (Status)) {
DEBUG ((
DEBUG_ERROR,
"TranslateBmpToGopBlt: invalid BmpImage... DataSizePerLine:0x%x PixelHeight:0x%x\n",
- DataSizePerLine, BmpHeader->PixelHeight
+ DataSizePerLine,
+ BmpHeader->PixelHeight
));
return RETURN_UNSUPPORTED;
@@ -205,7 +207,8 @@ TranslateBmpToGopBlt ( DEBUG ((
DEBUG_ERROR,
"TranslateBmpToGopBlt: invalid BmpImage... PixelHeight:0x%x DataSizePerLine:0x%x\n",
- BmpHeader->PixelHeight, DataSizePerLine
+ BmpHeader->PixelHeight,
+ DataSizePerLine
));
return RETURN_UNSUPPORTED;
@@ -213,8 +216,8 @@ TranslateBmpToGopBlt ( if ((BmpHeader->Size != BmpImageSize) ||
(BmpHeader->Size < BmpHeader->ImageOffset) ||
- (BmpHeader->Size - BmpHeader->ImageOffset != DataSize)) {
-
+ (BmpHeader->Size - BmpHeader->ImageOffset != DataSize))
+ {
DEBUG ((DEBUG_ERROR, "TranslateBmpToGopBlt: invalid BmpImage... \n"));
DEBUG ((DEBUG_ERROR, " BmpHeader->Size: 0x%x\n", BmpHeader->Size));
DEBUG ((DEBUG_ERROR, " BmpHeader->ImageOffset: 0x%x\n", BmpHeader->ImageOffset));
@@ -227,7 +230,7 @@ TranslateBmpToGopBlt ( //
// Calculate Color Map offset in the image.
//
- Image = BmpImage;
+ Image = BmpImage;
BmpColorMap = (BMP_COLOR_MAP *)(Image + sizeof (BMP_IMAGE_HEADER));
if (BmpHeader->ImageOffset < sizeof (BMP_IMAGE_HEADER)) {
return RETURN_UNSUPPORTED;
@@ -235,19 +238,20 @@ TranslateBmpToGopBlt ( if (BmpHeader->ImageOffset > sizeof (BMP_IMAGE_HEADER)) {
switch (BmpHeader->BitPerPixel) {
- case 1:
- ColorMapNum = 2;
- break;
- case 4:
- ColorMapNum = 16;
- break;
- case 8:
- ColorMapNum = 256;
- break;
- default:
- ColorMapNum = 0;
- break;
+ case 1:
+ ColorMapNum = 2;
+ break;
+ case 4:
+ ColorMapNum = 16;
+ break;
+ case 8:
+ ColorMapNum = 256;
+ break;
+ default:
+ ColorMapNum = 0;
+ break;
}
+
//
// BMP file may has padding data between the bmp header section and the
// bmp data section.
@@ -260,7 +264,7 @@ TranslateBmpToGopBlt ( //
// Calculate graphics image data address in the image
//
- Image = ((UINT8 *)BmpImage) + BmpHeader->ImageOffset;
+ Image = ((UINT8 *)BmpImage) + BmpHeader->ImageOffset;
ImageHeader = Image;
//
@@ -276,13 +280,14 @@ TranslateBmpToGopBlt ( DEBUG ((
DEBUG_ERROR,
"TranslateBmpToGopBlt: invalid BltBuffer needed size... PixelWidth:0x%x PixelHeight:0x%x\n",
- BmpHeader->PixelWidth, BmpHeader->PixelHeight
+ BmpHeader->PixelWidth,
+ BmpHeader->PixelHeight
));
return RETURN_UNSUPPORTED;
}
- Temp = BltBufferSize;
+ Temp = BltBufferSize;
Status = SafeUint32Mult (
BltBufferSize,
sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL),
@@ -293,7 +298,8 @@ TranslateBmpToGopBlt ( DEBUG ((
DEBUG_ERROR,
"TranslateBmpToGopBlt: invalid BltBuffer needed size... PixelWidth x PixelHeight:0x%x struct size:0x%x\n",
- Temp, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ Temp,
+ sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
));
return RETURN_UNSUPPORTED;
@@ -306,7 +312,7 @@ TranslateBmpToGopBlt ( //
DEBUG ((DEBUG_INFO, "Bmp Support: Allocating 0x%X bytes of memory\n", BltBufferSize));
*GopBltSize = (UINTN)BltBufferSize;
- *GopBlt = AllocatePool (*GopBltSize);
+ *GopBlt = AllocatePool (*GopBltSize);
IsAllocated = TRUE;
if (*GopBlt == NULL) {
return RETURN_OUT_OF_RESOURCES;
@@ -336,82 +342,83 @@ TranslateBmpToGopBlt ( //
BltBuffer = *GopBlt;
for (Height = 0; Height < BmpHeader->PixelHeight; Height++) {
- Blt = &BltBuffer[ (BmpHeader->PixelHeight - Height - 1) * BmpHeader->PixelWidth];
+ Blt = &BltBuffer[(BmpHeader->PixelHeight - Height - 1) * BmpHeader->PixelWidth];
for (Width = 0; Width < BmpHeader->PixelWidth; Width++, Image++, Blt++) {
switch (BmpHeader->BitPerPixel) {
- case 1:
- //
- // Translate 1-bit (2 colors) BMP to 24-bit color
- //
- for (Index = 0; Index < 8 && Width < BmpHeader->PixelWidth; Index++) {
- Blt->Red = BmpColorMap[ ((*Image) >> (7 - Index)) & 0x1].Red;
- Blt->Green = BmpColorMap[ ((*Image) >> (7 - Index)) & 0x1].Green;
- Blt->Blue = BmpColorMap[ ((*Image) >> (7 - Index)) & 0x1].Blue;
- Blt++;
- Width++;
- }
-
- Blt--;
- Width--;
- break;
-
- case 4:
- //
- // Translate 4-bit (16 colors) BMP Palette to 24-bit color
- //
- Index = (*Image) >> 4;
- Blt->Red = BmpColorMap[Index].Red;
- Blt->Green = BmpColorMap[Index].Green;
- Blt->Blue = BmpColorMap[Index].Blue;
- if (Width < (BmpHeader->PixelWidth - 1)) {
- Blt++;
- Width++;
- Index = (*Image) & 0x0f;
+ case 1:
+ //
+ // Translate 1-bit (2 colors) BMP to 24-bit color
+ //
+ for (Index = 0; Index < 8 && Width < BmpHeader->PixelWidth; Index++) {
+ Blt->Red = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Red;
+ Blt->Green = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Green;
+ Blt->Blue = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Blue;
+ Blt++;
+ Width++;
+ }
+
+ Blt--;
+ Width--;
+ break;
+
+ case 4:
+ //
+ // Translate 4-bit (16 colors) BMP Palette to 24-bit color
+ //
+ Index = (*Image) >> 4;
Blt->Red = BmpColorMap[Index].Red;
Blt->Green = BmpColorMap[Index].Green;
Blt->Blue = BmpColorMap[Index].Blue;
- }
- break;
-
- case 8:
- //
- // Translate 8-bit (256 colors) BMP Palette to 24-bit color
- //
- Blt->Red = BmpColorMap[*Image].Red;
- Blt->Green = BmpColorMap[*Image].Green;
- Blt->Blue = BmpColorMap[*Image].Blue;
- break;
-
- case 24:
- //
- // It is 24-bit BMP.
- //
- Blt->Blue = *Image++;
- Blt->Green = *Image++;
- Blt->Red = *Image;
- break;
-
- case 32:
- //
- //Conver 32 bit to 24bit bmp - just ignore the final byte of each pixel
- Blt->Blue = *Image++;
- Blt->Green = *Image++;
- Blt->Red = *Image++;
- break;
-
- default:
- //
- // Other bit format BMP is not supported.
- //
- if (IsAllocated) {
- FreePool (*GopBlt);
- *GopBlt = NULL;
- }
- DEBUG ((DEBUG_ERROR, "Bmp Bit format not supported. 0x%X\n", BmpHeader->BitPerPixel));
- return RETURN_UNSUPPORTED;
- break;
- };
-
+ if (Width < (BmpHeader->PixelWidth - 1)) {
+ Blt++;
+ Width++;
+ Index = (*Image) & 0x0f;
+ Blt->Red = BmpColorMap[Index].Red;
+ Blt->Green = BmpColorMap[Index].Green;
+ Blt->Blue = BmpColorMap[Index].Blue;
+ }
+
+ break;
+
+ case 8:
+ //
+ // Translate 8-bit (256 colors) BMP Palette to 24-bit color
+ //
+ Blt->Red = BmpColorMap[*Image].Red;
+ Blt->Green = BmpColorMap[*Image].Green;
+ Blt->Blue = BmpColorMap[*Image].Blue;
+ break;
+
+ case 24:
+ //
+ // It is 24-bit BMP.
+ //
+ Blt->Blue = *Image++;
+ Blt->Green = *Image++;
+ Blt->Red = *Image;
+ break;
+
+ case 32:
+ //
+ // Conver 32 bit to 24bit bmp - just ignore the final byte of each pixel
+ Blt->Blue = *Image++;
+ Blt->Green = *Image++;
+ Blt->Red = *Image++;
+ break;
+
+ default:
+ //
+ // Other bit format BMP is not supported.
+ //
+ if (IsAllocated) {
+ FreePool (*GopBlt);
+ *GopBlt = NULL;
+ }
+
+ DEBUG ((DEBUG_ERROR, "Bmp Bit format not supported. 0x%X\n", BmpHeader->BitPerPixel));
+ return RETURN_UNSUPPORTED;
+ break;
+ }
}
ImageIndex = (UINTN)Image - (UINTN)ImageHeader;
@@ -468,7 +475,7 @@ TranslateGopBltToBmp ( UINTN Row;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltPixel;
- if (GopBlt == NULL || BmpImage == NULL || BmpImageSize == NULL) {
+ if ((GopBlt == NULL) || (BmpImage == NULL) || (BmpImageSize == NULL)) {
return RETURN_INVALID_PARAMETER;
}
@@ -494,6 +501,7 @@ TranslateGopBltToBmp ( ));
return RETURN_UNSUPPORTED;
}
+
Status = SafeUint32Add (BmpSize, PaddingSize, &BmpSize);
if (EFI_ERROR (Status)) {
DEBUG ((
@@ -518,6 +526,7 @@ TranslateGopBltToBmp ( ));
return RETURN_UNSUPPORTED;
}
+
Status = SafeUint32Add (BmpSize, sizeof (BMP_IMAGE_HEADER), &BmpSize);
if (EFI_ERROR (Status)) {
DEBUG ((
@@ -538,6 +547,7 @@ TranslateGopBltToBmp ( if (*BmpImage == NULL) {
return EFI_OUT_OF_RESOURCES;
}
+
*BmpImageSize = BmpSize;
} else if (*BmpImageSize < BmpSize) {
*BmpImageSize = BmpSize;
|