a713f9c6f6
BUG=skia: R=scroggo@google.com, bsalomon@google.com, robertphillips@google.com, fmalita@google.com Author: reed@google.com Review URL: https://codereview.chromium.org/199413013 git-svn-id: http://skia.googlecode.com/svn/trunk@13840 2bbb7eff-a529-9590-31e7-b0007b416f81
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
#include "sk_tool_utils.h"
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namespace sk_tool_utils {
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const char* colortype_name(SkColorType ct) {
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switch (ct) {
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case kUnknown_SkColorType: return "Unknown";
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case kAlpha_8_SkColorType: return "Alpha_8";
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case kIndex_8_SkColorType: return "Index_8";
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case kARGB_4444_SkColorType: return "ARGB_4444";
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case kRGB_565_SkColorType: return "RGB_565";
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case kRGBA_8888_SkColorType: return "RGBA_8888";
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case kBGRA_8888_SkColorType: return "BGRA_8888";
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default:
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SkASSERT(false);
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return "unexpected colortype";
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}
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}
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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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