skia2/tools/sk_tool_utils.h
caryclark 65cdba6ba7 Revert of Revert of make gm background colors 565 compatible (patchset #1 id:1 of https://codereview.chromium.org/1184123002/)
Reason for revert:
underlying problem with portable refs deleted more than once fixed

Original issue's description:
> Revert of make gm background colors 565 compatible (patchset #2 id:20001 of https://codereview.chromium.org/1176243006/)
>
> Reason for revert:
> breaks many bots with refcnt error
>
> Original issue's description:
> > make gm background colors 565 compatible
> >
> > Change a batch of GM tests to convert their background color
> > so that it is representable in 8888 and 565.
> >
> > Enable portable text in those same tests to minimize platform
> > differences.
> >
> > In a couple of bitmap tests, use portable typefaces instead of
> > choosing 'Times' which may or may not be available on the platform.
> >
> > R=borenet@google.com
> >
> > Committed: https://skia.googlesource.com/skia/+/be7f768a357aefb39c42d24b81b24d647bb6ab70
>
> TBR=borenet@google.com
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
>
> Committed: https://skia.googlesource.com/skia/+/0bdb08b1ba8fbd18c4838f86a23f1ef4b3a3bfdf

TBR=borenet@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1182403003
2015-06-15 06:51:08 -07:00

87 lines
3.1 KiB
C++

/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef sk_tool_utils_DEFINED
#define sk_tool_utils_DEFINED
#include "SkColor.h"
#include "SkImageEncoder.h"
#include "SkImageInfo.h"
#include "SkPixelSerializer.h"
#include "SkTypeface.h"
class SkBitmap;
class SkCanvas;
class SkPaint;
class SkShader;
class SkTestFont;
class SkTextBlobBuilder;
namespace sk_tool_utils {
const char* colortype_name(SkColorType);
SkColor color_to_565(SkColor color);
/**
* Sets the paint to use a platform-independent text renderer if FLAGS_portableFonts is set.
* FIXME: will become obsolete as GMs migrate to set portable typeface always.
*/
void set_portable_typeface(SkPaint* paint, const char* name = NULL,
SkTypeface::Style style = SkTypeface::kNormal);
void set_portable_typeface_always(SkPaint* paint, const char* name = NULL,
SkTypeface::Style style = SkTypeface::kNormal);
SkTypeface* create_portable_typeface(const char* name, SkTypeface::Style style);
SkTypeface* create_portable_typeface_always(const char* name, SkTypeface::Style style);
/** Call to clean up portable font references. */
void release_portable_typefaces();
void report_used_chars();
/**
* Call canvas->writePixels() by using the pixels from bitmap, but with an info that claims
* the pixels are colorType + alphaType
*/
void write_pixels(SkCanvas*, const SkBitmap&, int x, int y, SkColorType, SkAlphaType);
// private to sk_tool_utils
SkTypeface* create_font(const char* name, SkTypeface::Style );
SkTypeface* resource_font(const char* name, SkTypeface::Style );
/** Returns a newly created CheckerboardShader. */
SkShader* create_checkerboard_shader(SkColor c1, SkColor c2, int size);
/** Draw a checkerboard pattern in the current canvas, restricted to
the current clip, using SkXfermode::kSrc_Mode. */
void draw_checkerboard(SkCanvas* canvas,
SkColor color1,
SkColor color2,
int size);
/** A default checkerboard. */
inline void draw_checkerboard(SkCanvas* canvas) {
sk_tool_utils::draw_checkerboard(canvas, 0xFF999999, 0xFF666666, 8);
}
// Encodes to PNG, unless there is already encoded data, in which case that gets
// used.
class PngPixelSerializer : public SkPixelSerializer {
public:
bool onUseEncodedData(const void*, size_t) override { return true; }
SkData* onEncodePixels(const SkImageInfo& info, const void* pixels,
size_t rowBytes) override {
return SkImageEncoder::EncodeData(info, pixels, rowBytes,
SkImageEncoder::kPNG_Type, 100);
}
};
// A helper for inserting a drawtext call into a SkTextBlobBuilder
void add_to_text_blob(SkTextBlobBuilder* builder, const char* text, const SkPaint& origPaint,
SkScalar x, SkScalar y);
} // namespace sk_tool_utils
#endif // sk_tool_utils_DEFINED