diff options
Diffstat (limited to 'plugins/AdvaImg/src/FreeImage/Conversion4.cpp')
-rw-r--r-- | plugins/AdvaImg/src/FreeImage/Conversion4.cpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/plugins/AdvaImg/src/FreeImage/Conversion4.cpp b/plugins/AdvaImg/src/FreeImage/Conversion4.cpp deleted file mode 100644 index 13048b6d3f..0000000000 --- a/plugins/AdvaImg/src/FreeImage/Conversion4.cpp +++ /dev/null @@ -1,246 +0,0 @@ -// ========================================================== -// Bitmap conversion routines -// -// Design and implementation by -// - Riley McNiff (rmcniff@marexgroup.com) -// -// This file is part of FreeImage 3 -// -// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY -// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES -// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE -// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED -// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT -// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY -// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL -// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER -// THIS DISCLAIMER. -// -// Use at your own risk! -// ========================================================== - -#include "FreeImage.h" -#include "Utilities.h" - -// ---------------------------------------------------------- -// internal conversions X to 4 bits -// ---------------------------------------------------------- - -void DLL_CALLCONV -FreeImage_ConvertLine1To4(BYTE *target, BYTE *source, int width_in_pixels) { - BOOL hinibble = TRUE; - for (int cols = 0; cols < width_in_pixels; cols++){ - if (hinibble == TRUE){ - target[cols >> 1] = ((source[cols >> 3] & (0x80 >> (cols & 0x07))) != 0 ? 15 : 0) << 4; - } - else { - target[cols >> 1] |= ((source[cols >> 3] & (0x80 >> (cols & 0x07))) != 0 ? 15 : 0); - } - - hinibble = !hinibble; - } -} - -void DLL_CALLCONV -FreeImage_ConvertLine8To4(BYTE *target, BYTE *source, int width_in_pixels, RGBQUAD *palette) { - BOOL hinibble = TRUE; - BYTE index; - - for (int cols = 0; cols < width_in_pixels; cols++){ - index = GREY(palette[source[cols]].rgbRed, palette[source[cols]].rgbGreen, palette[source[cols]].rgbBlue); - if (hinibble) { - target[cols >> 1] = (index & 0xF0); - } else { - target[cols >> 1] |= (index >> 4); - } - - hinibble = !hinibble; - } -} - -void DLL_CALLCONV -FreeImage_ConvertLine16To4_555(BYTE *target, BYTE *source, int width_in_pixels) { - WORD *bits = (WORD *)source; - BOOL hinibble = TRUE; - - for (int cols = 0; cols < width_in_pixels; cols++) { - if (hinibble) { - target[cols >> 1] = GREY((((bits[cols] & FI16_555_RED_MASK) >> FI16_555_RED_SHIFT) * 0xFF) / 0x1F, - (((bits[cols] & FI16_555_GREEN_MASK) >> FI16_555_GREEN_SHIFT) * 0xFF) / 0x1F, - (((bits[cols] & FI16_555_BLUE_MASK) >> FI16_555_BLUE_SHIFT) * 0xFF) / 0x1F) - & 0xF0; - } else { - target[cols >> 1] |= GREY((((bits[cols] & FI16_555_RED_MASK) >> FI16_555_RED_SHIFT) * 0xFF) / 0x1F, - (((bits[cols] & FI16_555_GREEN_MASK) >> FI16_555_GREEN_SHIFT) * 0xFF) / 0x1F, - (((bits[cols] & FI16_555_BLUE_MASK) >> FI16_555_BLUE_SHIFT) * 0xFF) / 0x1F) - >> 4; - } - - hinibble = !hinibble; - } -} - -void DLL_CALLCONV -FreeImage_ConvertLine16To4_565(BYTE *target, BYTE *source, int width_in_pixels) { - WORD *bits = (WORD *)source; - BOOL hinibble = TRUE; - - for (int cols = 0; cols < width_in_pixels; cols++) { - if (hinibble) { - target[cols >> 1] = GREY((((bits[cols] & FI16_565_RED_MASK) >> FI16_565_RED_SHIFT) * 0xFF) / 0x1F, - (((bits[cols] & FI16_565_GREEN_MASK) >> FI16_565_GREEN_SHIFT) * 0xFF) / 0x3F, - (((bits[cols] & FI16_565_BLUE_MASK) >> FI16_565_BLUE_SHIFT) * 0xFF) / 0x1F) - & 0xF0; - } else { - target[cols >> 1] |= GREY((((bits[cols] & FI16_565_RED_MASK) >> FI16_565_RED_SHIFT) * 0xFF) / 0x1F, - (((bits[cols] & FI16_565_GREEN_MASK) >> FI16_565_GREEN_SHIFT) * 0xFF) / 0x3F, - (((bits[cols] & FI16_565_BLUE_MASK) >> FI16_565_BLUE_SHIFT) * 0xFF) / 0x1F) - >> 4; - } - - hinibble = !hinibble; - } -} - -void DLL_CALLCONV -FreeImage_ConvertLine24To4(BYTE *target, BYTE *source, int width_in_pixels) { - BOOL hinibble = TRUE; - - for (int cols = 0; cols < width_in_pixels; cols++) { - if (hinibble) { - target[cols >> 1] = GREY(source[FI_RGBA_RED], source[FI_RGBA_GREEN], source[FI_RGBA_BLUE]) & 0xF0; - } else { - target[cols >> 1] |= GREY(source[FI_RGBA_RED], source[FI_RGBA_GREEN], source[FI_RGBA_BLUE]) >> 4; - } - - source += 3; - hinibble = !hinibble; - } -} - -void DLL_CALLCONV -FreeImage_ConvertLine32To4(BYTE *target, BYTE *source, int width_in_pixels) { - BOOL hinibble = TRUE; - - for (int cols = 0; cols < width_in_pixels; cols++) { - if (hinibble) { - target[cols >> 1] = GREY(source[FI_RGBA_RED], source[FI_RGBA_GREEN], source[FI_RGBA_BLUE]) & 0xF0; - } else { - target[cols >> 1] |= GREY(source[FI_RGBA_RED], source[FI_RGBA_GREEN], source[FI_RGBA_BLUE]) >> 4; - } - - source += 4; - hinibble = !hinibble; - } -} - -// ---------------------------------------------------------- -// smart convert X to 4 bits -// ---------------------------------------------------------- - -FIBITMAP * DLL_CALLCONV -FreeImage_ConvertTo4Bits(FIBITMAP *dib) { - if(!FreeImage_HasPixels(dib)) return NULL; - - const int bpp = FreeImage_GetBPP(dib); - - if(bpp != 4) { - const int width = FreeImage_GetWidth(dib); - const int height = FreeImage_GetHeight(dib); - FIBITMAP *new_dib = FreeImage_Allocate(width, height, 4); - - if(new_dib == NULL) { - return NULL; - } - - // copy metadata from src to dst - FreeImage_CloneMetadata(new_dib, dib); - - // Build a greyscale palette (*always* needed for image processing) - - RGBQUAD *new_pal = FreeImage_GetPalette(new_dib); - - for(int i = 0; i < 16; i++) { - new_pal[i].rgbRed = (BYTE)((i << 4) + i); - new_pal[i].rgbGreen = (BYTE)((i << 4) + i); - new_pal[i].rgbBlue = (BYTE)((i << 4) + i); - } - - switch(bpp) { - case 1: - { - if(FreeImage_GetColorType(dib) == FIC_PALETTE) { - - // Copy the palette - - RGBQUAD *old_pal = FreeImage_GetPalette(dib); - memcpy(&new_pal[0], &old_pal[0], sizeof(RGBQUAD)); - memcpy(&new_pal[15], &old_pal[1], sizeof(RGBQUAD)); - - } - else if(FreeImage_GetColorType(dib) == FIC_MINISWHITE) { - - // Reverse the grayscale palette - - for(int i = 0; i < 16; i++) { - new_pal[i].rgbRed = new_pal[i].rgbGreen = new_pal[i].rgbBlue = (BYTE)(255 - ((i << 4) + i)); - } - } - - // Expand and copy the bitmap data - - for (int rows = 0; rows < height; rows++) { - FreeImage_ConvertLine1To4(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width); - } - return new_dib; - } - - case 8 : - { - // Expand and copy the bitmap data - - for (int rows = 0; rows < height; rows++) { - FreeImage_ConvertLine8To4(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width, FreeImage_GetPalette(dib)); - } - return new_dib; - } - - case 16 : - { - // Expand and copy the bitmap data - - for (int rows = 0; rows < height; rows++) { - if ((FreeImage_GetRedMask(dib) == FI16_565_RED_MASK) && (FreeImage_GetGreenMask(dib) == FI16_565_GREEN_MASK) && (FreeImage_GetBlueMask(dib) == FI16_565_BLUE_MASK)) { - FreeImage_ConvertLine16To4_565(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width); - } else { - FreeImage_ConvertLine16To4_555(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width); - } - } - - return new_dib; - } - - case 24 : - { - // Expand and copy the bitmap data - - for (int rows = 0; rows < height; rows++) { - FreeImage_ConvertLine24To4(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width); - } - return new_dib; - } - - case 32 : - { - // Expand and copy the bitmap data - - for (int rows = 0; rows < height; rows++) { - FreeImage_ConvertLine32To4(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width); - } - return new_dib; - } - } - } - - return FreeImage_Clone(dib); -} |