From 87d155ba9f4e699293adc65954c89f20fc65b36d Mon Sep 17 00:00:00 2001 From: Kirill Volinsky Date: Sat, 22 Dec 2012 16:38:58 +0000 Subject: AdvaImg plugin folder renaming git-svn-id: http://svn.miranda-ng.org/main/trunk@2801 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c --- plugins/AdvaImg/src/FreeImage/Conversion16_555.cpp | 209 +++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100644 plugins/AdvaImg/src/FreeImage/Conversion16_555.cpp (limited to 'plugins/AdvaImg/src/FreeImage/Conversion16_555.cpp') diff --git a/plugins/AdvaImg/src/FreeImage/Conversion16_555.cpp b/plugins/AdvaImg/src/FreeImage/Conversion16_555.cpp new file mode 100644 index 0000000000..c0c4785704 --- /dev/null +++ b/plugins/AdvaImg/src/FreeImage/Conversion16_555.cpp @@ -0,0 +1,209 @@ +// ========================================================== +// Bitmap conversion routines +// +// Design and implementation by +// - Floris van den Berg (flvdberg@wxs.nl) +// - Hervé Drolon (drolon@infonie.fr) +// - Jani Kajala (janik@remedy.fi) +// +// 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" + +// ---------------------------------------------------------- + +#define RGB555(b, g, r) ((((b) >> 3) << FI16_555_BLUE_SHIFT) | (((g) >> 3) << FI16_555_GREEN_SHIFT) | (((r) >> 3) << FI16_555_RED_SHIFT)) + +// ---------------------------------------------------------- +// internal conversions X to 16 bits (555) +// ---------------------------------------------------------- + +void DLL_CALLCONV +FreeImage_ConvertLine1To16_555(BYTE *target, BYTE *source, int width_in_pixels, RGBQUAD *palette) { + WORD *new_bits = (WORD *)target; + + for (int cols = 0; cols < width_in_pixels; cols++) { + int index = (source[cols >> 3] & (0x80 >> (cols & 0x07))) != 0 ? 1 : 0; + + new_bits[cols] = RGB555(palette[index].rgbBlue, palette[index].rgbGreen, palette[index].rgbRed); + } +} + +void DLL_CALLCONV +FreeImage_ConvertLine4To16_555(BYTE *target, BYTE *source, int width_in_pixels, RGBQUAD *palette) { + WORD *new_bits = (WORD *)target; + BOOL lonibble = FALSE; + int x = 0; + + for (int cols = 0; cols < width_in_pixels; cols++) { + RGBQUAD *grab_palette; + + if (lonibble) { + grab_palette = palette + LOWNIBBLE(source[x++]); + } else { + grab_palette = palette + (HINIBBLE(source[x]) >> 4); + } + + new_bits[cols] = RGB555(grab_palette->rgbBlue, grab_palette->rgbGreen, grab_palette->rgbRed); + + lonibble = !lonibble; + } +} + +void DLL_CALLCONV +FreeImage_ConvertLine8To16_555(BYTE *target, BYTE *source, int width_in_pixels, RGBQUAD *palette) { + WORD *new_bits = (WORD *)target; + + for (int cols = 0; cols < width_in_pixels; cols++) { + RGBQUAD *grab_palette = palette + source[cols]; + + new_bits[cols] = RGB555(grab_palette->rgbBlue, grab_palette->rgbGreen, grab_palette->rgbRed); + } +} + +void DLL_CALLCONV +FreeImage_ConvertLine16_565_To16_555(BYTE *target, BYTE *source, int width_in_pixels) { + WORD *src_bits = (WORD *)source; + WORD *new_bits = (WORD *)target; + + for (int cols = 0; cols < width_in_pixels; cols++) { + new_bits[cols] = RGB555((((src_bits[cols] & FI16_565_BLUE_MASK) >> FI16_565_BLUE_SHIFT) * 0xFF) / 0x1F, + (((src_bits[cols] & FI16_565_GREEN_MASK) >> FI16_565_GREEN_SHIFT) * 0xFF) / 0x3F, + (((src_bits[cols] & FI16_565_RED_MASK) >> FI16_565_RED_SHIFT) * 0xFF) / 0x1F); + } +} + +void DLL_CALLCONV +FreeImage_ConvertLine24To16_555(BYTE *target, BYTE *source, int width_in_pixels) { + WORD *new_bits = (WORD *)target; + + for (int cols = 0; cols < width_in_pixels; cols++) { + new_bits[cols] = RGB555(source[FI_RGBA_BLUE], source[FI_RGBA_GREEN], source[FI_RGBA_RED]); + + source += 3; + } +} + +void DLL_CALLCONV +FreeImage_ConvertLine32To16_555(BYTE *target, BYTE *source, int width_in_pixels) { + WORD *new_bits = (WORD *)target; + + for (int cols = 0; cols < width_in_pixels; cols++) { + new_bits[cols] = RGB555(source[FI_RGBA_BLUE], source[FI_RGBA_GREEN], source[FI_RGBA_RED]); + + source += 4; + } +} + +// ---------------------------------------------------------- +// smart convert X to 16 bits +// ---------------------------------------------------------- + +FIBITMAP * DLL_CALLCONV +FreeImage_ConvertTo16Bits555(FIBITMAP *dib) { + if (!FreeImage_HasPixels(dib) || (FreeImage_GetImageType(dib) != FIT_BITMAP)) return NULL; + + const int width = FreeImage_GetWidth(dib); + const int height = FreeImage_GetHeight(dib); + const int bpp = FreeImage_GetBPP(dib); + + if(bpp == 16) { + if ((FreeImage_GetRedMask(dib) == FI16_565_RED_MASK) && (FreeImage_GetGreenMask(dib) == FI16_565_GREEN_MASK) && (FreeImage_GetBlueMask(dib) == FI16_565_BLUE_MASK)) { + // RGB 565 + FIBITMAP *new_dib = FreeImage_Allocate(width, height, 16, FI16_555_RED_MASK, FI16_555_GREEN_MASK, FI16_555_BLUE_MASK); + if(new_dib == NULL) { + return NULL; + } + for (int rows = 0; rows < height; rows++) { + FreeImage_ConvertLine16_565_To16_555(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width); + } + + // copy metadata from src to dst + FreeImage_CloneMetadata(new_dib, dib); + + return new_dib; + } else { + // RGB 555 + return FreeImage_Clone(dib); + } + } + else { + // other bpp cases => convert to RGB 555 + FIBITMAP *new_dib = FreeImage_Allocate(width, height, 16, FI16_555_RED_MASK, FI16_555_GREEN_MASK, FI16_555_BLUE_MASK); + if(new_dib == NULL) { + return NULL; + } + + // copy metadata from src to dst + FreeImage_CloneMetadata(new_dib, dib); + + switch (bpp) { + case 1 : + { + for (int rows = 0; rows < height; rows++) { + FreeImage_ConvertLine1To16_555(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width, FreeImage_GetPalette(dib)); + } + + return new_dib; + } + + case 4 : + { + for (int rows = 0; rows < height; rows++) { + FreeImage_ConvertLine4To16_555(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width, FreeImage_GetPalette(dib)); + } + + return new_dib; + } + + case 8 : + { + for (int rows = 0; rows < height; rows++) { + FreeImage_ConvertLine8To16_555(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width, FreeImage_GetPalette(dib)); + } + + return new_dib; + } + + case 24 : + { + for (int rows = 0; rows < height; rows++) { + FreeImage_ConvertLine24To16_555(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width); + } + + return new_dib; + } + + case 32 : + { + for (int rows = 0; rows < height; rows++) { + FreeImage_ConvertLine32To16_555(FreeImage_GetScanLine(new_dib, rows), FreeImage_GetScanLine(dib, rows), width); + } + + return new_dib; + } + + default : + // unreachable code ... + FreeImage_Unload(new_dib); + break; + + } + } + + return NULL; +} -- cgit v1.2.3