diff options
Diffstat (limited to 'plugins/FreeImage/src/FreeImage/Conversion8.cpp')
| -rw-r--r-- | plugins/FreeImage/src/FreeImage/Conversion8.cpp | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/plugins/FreeImage/src/FreeImage/Conversion8.cpp b/plugins/FreeImage/src/FreeImage/Conversion8.cpp deleted file mode 100644 index 867cf756ed..0000000000 --- a/plugins/FreeImage/src/FreeImage/Conversion8.cpp +++ /dev/null @@ -1,327 +0,0 @@ -// ==========================================================
-// Bitmap conversion routines
-//
-// Design and implementation by
-// - Floris van den Berg (flvdberg@wxs.nl)
-// - Hervé Drolon (drolon@infonie.fr)
-// - Jani Kajala (janik@remedy.fi)
-// - Karl-Heinz Bussian (khbussian@moss.de)
-//
-// 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 8 bits
-// ----------------------------------------------------------
-
-void DLL_CALLCONV
-FreeImage_ConvertLine1To8(BYTE *target, BYTE *source, int width_in_pixels) {
- for (int cols = 0; cols < width_in_pixels; cols++)
- target[cols] = (source[cols >> 3] & (0x80 >> (cols & 0x07))) != 0 ? 255 : 0;
-}
-
-void DLL_CALLCONV
-FreeImage_ConvertLine4To8(BYTE *target, BYTE *source, int width_in_pixels) {
- int count_new = 0;
- int count_org = 0;
- BOOL hinibble = TRUE;
-
- while (count_new < width_in_pixels) {
- if (hinibble) {
- target[count_new] = (source[count_org] & 0xF0) >> 4;
- } else {
- target[count_new] = (source[count_org] & 0x0F);
-
- count_org++;
- }
-
- hinibble = !hinibble;
-
- count_new++;
- }
-}
-
-void DLL_CALLCONV
-FreeImage_ConvertLine16To8_555(BYTE *target, BYTE *source, int width_in_pixels) {
- WORD *bits = (WORD *)source;
-
- for (int cols = 0; cols < width_in_pixels; cols++) {
- target[cols] = 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);
- }
-}
-
-void DLL_CALLCONV
-FreeImage_ConvertLine16To8_565(BYTE *target, BYTE *source, int width_in_pixels) {
- WORD *bits = (WORD *)source;
-
- for (int cols = 0; cols < width_in_pixels; cols++)
- target[cols] = 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);
-}
-
-void DLL_CALLCONV
-FreeImage_ConvertLine24To8(BYTE *target, BYTE *source, int width_in_pixels) {
- for (int cols = 0; cols < width_in_pixels; cols++) {
- target[cols] = GREY(source[FI_RGBA_RED], source[FI_RGBA_GREEN], source[FI_RGBA_BLUE]);
-
- source += 3;
- }
-}
-
-void DLL_CALLCONV
-FreeImage_ConvertLine32To8(BYTE *target, BYTE *source, int width_in_pixels) {
- for (int cols = 0; cols < width_in_pixels; cols++) {
- target[cols] = GREY(source[FI_RGBA_RED], source[FI_RGBA_GREEN], source[FI_RGBA_BLUE]);
-
- source += 4;
- }
-}
-
-// ----------------------------------------------------------
-// smart convert X to 8 bits
-// ----------------------------------------------------------
-
-FIBITMAP * DLL_CALLCONV
-FreeImage_ConvertTo8Bits(FIBITMAP *dib) {
- if (!FreeImage_HasPixels(dib)) return NULL;
-
- const int bpp = FreeImage_GetBPP(dib);
-
- const FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(dib);
- if ((image_type != FIT_BITMAP) && (image_type != FIT_UINT16)) {
- return NULL;
- }
-
- if(bpp != 8) {
- const int width = FreeImage_GetWidth(dib);
- const int height = FreeImage_GetHeight(dib);
- FIBITMAP *new_dib = FreeImage_Allocate(width, height, 8);
-
- 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 < 256; i++) {
- new_pal[i].rgbRed = (BYTE)i;
- new_pal[i].rgbGreen = (BYTE)i;
- new_pal[i].rgbBlue = (BYTE)i;
- }
-
- if(image_type == FIT_BITMAP) {
-
- 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[255], &old_pal[1], sizeof(RGBQUAD));
-
- }
- else if(FreeImage_GetColorType(dib) == FIC_MINISWHITE) {
-
- // Reverse the grayscale palette
-
- for(int i = 0; i < 256; i++) {
- new_pal[i].rgbRed = new_pal[i].rgbGreen = new_pal[i].rgbBlue = (BYTE)(255 - i);
- }
- }
-
-
- // Expand and copy the bitmap data
-
- for (int rows = 0; rows < height; rows++) {
- FreeImage_ConvertLine1To8(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width);
- }
- return new_dib;
- }
-
- case 4 :
- {
- if(FreeImage_GetColorType(dib) == FIC_PALETTE) {
-
- // Copy the palette
-
- RGBQUAD *old_pal = FreeImage_GetPalette(dib);
-
- for (int i = 0; i < 16; i++) {
- new_pal[i].rgbRed = old_pal[i].rgbRed;
- new_pal[i].rgbGreen = old_pal[i].rgbGreen;
- new_pal[i].rgbBlue = old_pal[i].rgbBlue;
- }
- }
-
- // Expand and copy the bitmap data
-
- for (int rows = 0; rows < height; rows++) {
- FreeImage_ConvertLine4To8(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width);
- }
- 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_ConvertLine16To8_565(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width);
- } else {
- FreeImage_ConvertLine16To8_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_ConvertLine24To8(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_ConvertLine32To8(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width);
- }
- return new_dib;
- }
- }
-
- } else if(image_type == FIT_UINT16) {
-
- const unsigned src_pitch = FreeImage_GetPitch(dib);
- const unsigned dst_pitch = FreeImage_GetPitch(new_dib);
- const BYTE *src_bits = FreeImage_GetBits(dib);
- BYTE *dst_bits = FreeImage_GetBits(new_dib);
- for (int rows = 0; rows < height; rows++) {
- const WORD *src_pixel = (WORD*)src_bits;
- BYTE *dst_pixel = (BYTE*)dst_bits;
- for(int cols = 0; cols < width; cols++) {
- dst_pixel[cols] = (BYTE)(src_pixel[cols] >> 8);
- }
- src_bits += src_pitch;
- dst_bits += dst_pitch;
- }
-
- return new_dib;
-
- }
-
- } // bpp != 8
-
- return FreeImage_Clone(dib);
-}
-
-FIBITMAP * DLL_CALLCONV
-FreeImage_ConvertToGreyscale(FIBITMAP *dib) {
- if (!FreeImage_HasPixels(dib)) return NULL;
-
- const FREE_IMAGE_COLOR_TYPE color_type = FreeImage_GetColorType(dib);
- const int bpp = FreeImage_GetBPP(dib);
-
- if ((color_type == FIC_PALETTE) || (color_type == FIC_MINISWHITE)) {
- const int width = FreeImage_GetWidth(dib);
- const int height = FreeImage_GetHeight(dib);
- FIBITMAP *new_dib = FreeImage_Allocate(width, height, 8);
-
- if(new_dib == NULL) {
- return NULL;
- }
-
- // copy metadata from src to dst
- FreeImage_CloneMetadata(new_dib, dib);
-
- // Build a greyscale palette
-
- RGBQUAD *new_pal = FreeImage_GetPalette(new_dib);
-
- for(int i = 0; i < 256; i++) {
- new_pal[i].rgbRed = (BYTE)i;
- new_pal[i].rgbGreen = (BYTE)i;
- new_pal[i].rgbBlue = (BYTE)i;
- }
-
- // allocate a 24-bit buffer
-
- BYTE *buffer = (BYTE*)malloc( CalculatePitch(CalculateLine(width, 24)) * sizeof(BYTE));
- if(NULL == buffer) {
- FreeImage_Unload(new_dib);
- return NULL;
- }
-
- // Convert the palette to 24-bit, then to 8-bit
-
- switch(bpp) {
- case 1:
- {
- for (int rows = 0; rows < height; rows++) {
- FreeImage_ConvertLine1To24(buffer, FreeImage_GetScanLine(dib, rows), width, FreeImage_GetPalette(dib));
- FreeImage_ConvertLine24To8(FreeImage_GetScanLine(new_dib, rows), buffer, width);
- }
- }
- break;
-
- case 4:
- {
- for (int rows = 0; rows < height; rows++) {
- FreeImage_ConvertLine4To24(buffer, FreeImage_GetScanLine(dib, rows), width, FreeImage_GetPalette(dib));
- FreeImage_ConvertLine24To8(FreeImage_GetScanLine(new_dib, rows), buffer, width);
- }
- }
- break;
-
- case 8:
- {
- for (int rows = 0; rows < height; rows++) {
- FreeImage_ConvertLine8To24(buffer, FreeImage_GetScanLine(dib, rows), width, FreeImage_GetPalette(dib));
- FreeImage_ConvertLine24To8(FreeImage_GetScanLine(new_dib, rows), buffer, width);
- }
- }
- break;
-
- }
- free(buffer);
-
- return new_dib;
-
- }
-
- // Convert the bitmap to 8-bit greyscale
- return FreeImage_ConvertTo8Bits(dib);
-}
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