forked from enlightenment/efl
From: Mikhail Gusarov <dottedmag@dottedmag.net>
Subject: [E-devel] [evas] Add RGBA -> grayscale 64 entries palette conversion This is needed for E-Ink devices outta there. Names of new files, configure.ac variables and macros are awful, suggestions are welcome. SVN revision: 41825
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@ -1072,6 +1072,27 @@ EVAS_CONVERT_ROT(32, RGB, 270)
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## Convert to 32bpp RGB with rotation of 90
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EVAS_CONVERT_ROT(32, RGB, 90)
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#######################################
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## Convert to 8bpp grayscale, 64-palette
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conv_8_grayscale_64="yes"
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AC_MSG_CHECKING(whether to build 8bpp grayscale 64-palette converter code)
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AC_ARG_ENABLE(convert-8-grayscale-64,
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AC_HELP_STRING([--disable-convert-8-grayscale-64], [disable 8bpp grayscale 64-palette converter code]),
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[
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if test "$enableval" = "xyes"; then
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AC_DEFINE(BUILD_CONVERT_8_GRAYSCALE_64, 1, [8bpp Grayscale 64-palette Converter Support])
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conv_8_grayscale_64="yes"
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else
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conv_8_grayscale_64="no"
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fi
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], [
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if test "x$conv_8_grayscale_64" = "xyes"; then
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AC_DEFINE(BUILD_CONVERT_8_GRAYSCALE_64, 1, [32bpp Grayscale 64-palette Converter Support])
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fi
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]
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)
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AC_MSG_RESULT($conv_8_grayscale_64)
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## valgrind
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want_valgrind="no"
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have_valgrind="no"
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@ -1286,6 +1307,7 @@ echo " 8bpp RGB 222............: $conv_8_rgb_222"
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echo " 8bpp RGB 221............: $conv_8_rgb_221"
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echo " 8bpp RGB 121............: $conv_8_rgb_121"
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echo " 8bpp RGB 111............: $conv_8_rgb_111"
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echo " 8bpp Grayscale 64-pal...: $conv_8_grayscale_64"
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# FIXME: add grayscale and B&W support
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echo " 16bpp RGB 565...........: $conv_16_rgb_565"
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echo " 16bpp BGR 565...........: $conv_16_bgr_565"
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@ -35,6 +35,7 @@ evas_convert_rgb_16.c \
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evas_convert_rgb_24.c \
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evas_convert_rgb_32.c \
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evas_convert_rgb_8.c \
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evas_convert_grypal_6.c \
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evas_convert_yuv.c \
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evas_cpu.c \
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evas_draw_main.c \
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@ -78,6 +79,7 @@ evas_convert_colorspace.h \
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evas_convert_gry_1.h \
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evas_convert_gry_4.h \
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evas_convert_gry_8.h \
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evas_convert_grypal_6.h \
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evas_convert_main.h \
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evas_convert_rgb_16.h \
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evas_convert_rgb_24.h \
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@ -0,0 +1,27 @@
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/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "evas_common.h"
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#include "evas_convert_grypal_6.h"
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#ifdef BUILD_CONVERT_8_GRAYSCALE_64
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void evas_common_convert_rgba_to_8bpp_pal_gray64 (DATA32 *src, DATA8 *dst, int src_jump, int dst_jump, int w, int h, int dith_x, int dith_y, DATA8 *pal)
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{
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DATA32 *src_ptr;
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DATA8 *dst_ptr;
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int x, y;
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DATA8 Y;
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dst_ptr = dst;
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CONVERT_LOOP_START_ROT_0();
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/* RGB -> YUV conversion */
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Y = ((R_VAL(src_ptr) * 76) +
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(G_VAL(src_ptr) * 151) +
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(B_VAL(src_ptr) * 29)) >> 10;
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*dst_ptr = pal[Y];
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CONVERT_LOOP_END_ROT_0();
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}
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#endif
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@ -0,0 +1,10 @@
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/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#ifndef _EVAS_CONVERT_GRY_4_H
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#define _EVAS_CONVERT_GRY_4_H
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void evas_common_convert_rgba_to_8bpp_pal_gray64 (DATA32 *src, DATA8 *dst, int src_jump, int dst_jump, int w, int h, int dith_x, int dith_y, DATA8 *pal);
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#endif /* _EVAS_CONVERT_GRY_4_H */
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@ -7,6 +7,7 @@
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#include "evas_convert_rgb_16.h"
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#include "evas_convert_rgb_24.h"
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#include "evas_convert_rgb_32.h"
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#include "evas_convert_grypal_6.h"
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#include "evas_convert_yuv.h"
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#ifdef USE_DITHER_44
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@ -192,6 +193,10 @@ evas_common_convert_func_get(DATA8 *dest, int w, int h, int depth, DATA32 rmask,
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#ifdef BUILD_CONVERT_8_RGB_111
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if (pal_mode == PAL_MODE_RGB111)
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return evas_common_convert_rgba_to_8bpp_rgb_111_dith;
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#endif
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#ifdef BUILD_CONVERT_8_GRAYSCALE_64
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if (pal_mode == PAL_MODE_GRAY64)
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return evas_common_convert_rgba_to_8bpp_pal_gray64;
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#endif
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}
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if (depth == 1)
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