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C API: add sk_xfermode.h, impl, test

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Review URL: https://codereview.chromium.org/1242403005
This commit is contained in:
halcanary 2015-07-31 13:38:06 -07:00 committed by Commit bot
parent 85cd78dd6c
commit 7568d0b15e
4 changed files with 82 additions and 1 deletions
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5
include/c/sk_paint.h
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@ -65,6 +65,11 @@ void sk_paint_set_shader(sk_paint_t*, sk_shader_t*);
*/
void sk_paint_set_maskfilter(sk_paint_t*, sk_maskfilter_t*);
/**
* Set the paint's xfermode to the specified parameter.
*/
void sk_paint_set_xfermode_mode(sk_paint_t*, sk_xfermode_mode_t);
SK_C_PLUS_PLUS_END_GUARD
#endif

32
include/c/sk_types.h
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@ -108,6 +108,38 @@ typedef struct sk_picture_recorder_t sk_picture_recorder_t;
typedef struct sk_shader_t sk_shader_t;
typedef struct sk_surface_t sk_surface_t;
typedef enum {
CLEAR_SK_XFERMODE_MODE,
SRC_SK_XFERMODE_MODE,
DST_SK_XFERMODE_MODE,
SRCOVER_SK_XFERMODE_MODE,
DSTOVER_SK_XFERMODE_MODE,
SRCIN_SK_XFERMODE_MODE,
DSTIN_SK_XFERMODE_MODE,
SRCOUT_SK_XFERMODE_MODE,
DSTOUT_SK_XFERMODE_MODE,
SRCATOP_SK_XFERMODE_MODE,
DSTATOP_SK_XFERMODE_MODE,
XOR_SK_XFERMODE_MODE,
PLUS_SK_XFERMODE_MODE,
MODULATE_SK_XFERMODE_MODE,
SCREEN_SK_XFERMODE_MODE,
OVERLAY_SK_XFERMODE_MODE,
DARKEN_SK_XFERMODE_MODE,
LIGHTEN_SK_XFERMODE_MODE,
COLORDODGE_SK_XFERMODE_MODE,
COLORBURN_SK_XFERMODE_MODE,
HARDLIGHT_SK_XFERMODE_MODE,
SOFTLIGHT_SK_XFERMODE_MODE,
DIFFERENCE_SK_XFERMODE_MODE,
EXCLUSION_SK_XFERMODE_MODE,
MULTIPLY_SK_XFERMODE_MODE,
HUE_SK_XFERMODE_MODE,
SATURATION_SK_XFERMODE_MODE,
COLOR_SK_XFERMODE_MODE,
LUMINOSITY_SK_XFERMODE_MODE,
} sk_xfermode_mode_t;
//////////////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus

41
src/c/sk_paint.cpp
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@ -132,4 +132,43 @@ void sk_paint_set_stroke_join(sk_paint_t* cpaint, sk_stroke_join_t cjoin) {
}
}
void sk_paint_set_xfermode_mode(sk_paint_t* paint, sk_xfermode_mode_t mode) {
SkASSERT(paint);
SkXfermode::Mode skmode;
switch (mode) {
#define MAP(X, Y) case (X): skmode = (Y); break
MAP( CLEAR_SK_XFERMODE_MODE, SkXfermode::kClear_Mode );
MAP( SRC_SK_XFERMODE_MODE, SkXfermode::kSrc_Mode );
MAP( DST_SK_XFERMODE_MODE, SkXfermode::kDst_Mode );
MAP( SRCOVER_SK_XFERMODE_MODE, SkXfermode::kSrcOver_Mode );
MAP( DSTOVER_SK_XFERMODE_MODE, SkXfermode::kDstOver_Mode );
MAP( SRCIN_SK_XFERMODE_MODE, SkXfermode::kSrcIn_Mode );
MAP( DSTIN_SK_XFERMODE_MODE, SkXfermode::kDstIn_Mode );
MAP( SRCOUT_SK_XFERMODE_MODE, SkXfermode::kSrcOut_Mode );
MAP( DSTOUT_SK_XFERMODE_MODE, SkXfermode::kDstOut_Mode );
MAP( SRCATOP_SK_XFERMODE_MODE, SkXfermode::kSrcATop_Mode );
MAP( DSTATOP_SK_XFERMODE_MODE, SkXfermode::kDstATop_Mode );
MAP( XOR_SK_XFERMODE_MODE, SkXfermode::kXor_Mode );
MAP( PLUS_SK_XFERMODE_MODE, SkXfermode::kPlus_Mode );
MAP( MODULATE_SK_XFERMODE_MODE, SkXfermode::kModulate_Mode );
MAP( SCREEN_SK_XFERMODE_MODE, SkXfermode::kScreen_Mode );
MAP( OVERLAY_SK_XFERMODE_MODE, SkXfermode::kOverlay_Mode );
MAP( DARKEN_SK_XFERMODE_MODE, SkXfermode::kDarken_Mode );
MAP( LIGHTEN_SK_XFERMODE_MODE, SkXfermode::kLighten_Mode );
MAP( COLORDODGE_SK_XFERMODE_MODE, SkXfermode::kColorDodge_Mode );
MAP( COLORBURN_SK_XFERMODE_MODE, SkXfermode::kColorBurn_Mode );
MAP( HARDLIGHT_SK_XFERMODE_MODE, SkXfermode::kHardLight_Mode );
MAP( SOFTLIGHT_SK_XFERMODE_MODE, SkXfermode::kSoftLight_Mode );
MAP( DIFFERENCE_SK_XFERMODE_MODE, SkXfermode::kDifference_Mode );
MAP( EXCLUSION_SK_XFERMODE_MODE, SkXfermode::kExclusion_Mode );
MAP( MULTIPLY_SK_XFERMODE_MODE, SkXfermode::kMultiply_Mode );
MAP( HUE_SK_XFERMODE_MODE, SkXfermode::kHue_Mode );
MAP( SATURATION_SK_XFERMODE_MODE, SkXfermode::kSaturation_Mode );
MAP( COLOR_SK_XFERMODE_MODE, SkXfermode::kColor_Mode );
MAP( LUMINOSITY_SK_XFERMODE_MODE, SkXfermode::kLuminosity_Mode );
#undef MAP
default:
return;
}
AsPaint(paint)->setXfermodeMode(skmode);
}

5
tests/CTest.cpp
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@ -32,6 +32,11 @@ static void test_c(skiatest::Reporter* reporter) {
sk_canvas_draw_paint(canvas, paint);
REPORTER_ASSERT(reporter, 0xFFFFFFFF == pixel[0]);
sk_paint_set_xfermode_mode(paint, SRC_SK_XFERMODE_MODE);
sk_paint_set_color(paint, sk_color_set_argb(0x80, 0x80, 0x80, 0x80));
sk_canvas_draw_paint(canvas, paint);
REPORTER_ASSERT(reporter, 0x80404040 == pixel[0]);
sk_paint_delete(paint);
sk_surface_unref(surface);
}