4cd9e2169e
add corresponding methods to device (w/ diff name to avoid colliding with exising virtuals) BUG=skia: R=bsalomon@google.com, robertphillips@google.com, junov@google.com, junov@chromium.org Author: reed@google.com Review URL: https://codereview.chromium.org/180113010 git-svn-id: http://skia.googlecode.com/svn/trunk@13697 2bbb7eff-a529-9590-31e7-b0007b416f81
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#include "sk_tool_utils.h"
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namespace sk_tool_utils {
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void config8888_to_imagetypes(SkCanvas::Config8888 config, SkColorType* ct, SkAlphaType* at) {
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switch (config) {
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case SkCanvas::kNative_Premul_Config8888:
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*ct = kPMColor_SkColorType;
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*at = kPremul_SkAlphaType;
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break;
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case SkCanvas::kNative_Unpremul_Config8888:
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*ct = kPMColor_SkColorType;
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*at = kUnpremul_SkAlphaType;
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break;
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case SkCanvas::kBGRA_Premul_Config8888:
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*ct = kBGRA_8888_SkColorType;
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*at = kPremul_SkAlphaType;
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break;
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case SkCanvas::kBGRA_Unpremul_Config8888:
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*ct = kBGRA_8888_SkColorType;
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*at = kUnpremul_SkAlphaType;
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break;
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case SkCanvas::kRGBA_Premul_Config8888:
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*ct = kRGBA_8888_SkColorType;
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*at = kPremul_SkAlphaType;
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break;
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case SkCanvas::kRGBA_Unpremul_Config8888:
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*ct = kRGBA_8888_SkColorType;
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*at = kUnpremul_SkAlphaType;
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break;
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default:
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SkASSERT(0);
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}
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}
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void write_pixels(SkCanvas* canvas, const SkBitmap& bitmap, int x, int y,
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SkColorType colorType, SkAlphaType alphaType) {
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SkBitmap tmp(bitmap);
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tmp.lockPixels();
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SkImageInfo info = tmp.info();
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info.fColorType = colorType;
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info.fAlphaType = alphaType;
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canvas->writePixels(info, tmp.getPixels(), tmp.rowBytes(), x, y);
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}
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}
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