SkTiledImageUtils.h

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/*
 * Copyright 2023 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef SkTiledImageUtils_DEFINED
#define SkTiledImageUtils_DEFINED
 
#include "include/core/SkCanvas.h"
#include "include/core/SkImage.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSamplingOptions.h"
#include "include/core/SkScalar.h"
#include "include/private/base/SkAPI.h"
 
#include <cstdint>
 
class SkPaint;
 
namespace SkTiledImageUtils {
 
SK_API void DrawImageRect(SkCanvas* canvas,
                          const SkImage* image,
                          const SkRect& src,
                          const SkRect& dst,
                          const SkSamplingOptions& sampling = {},
                          const SkPaint* paint = nullptr,
                          SkCanvas::SrcRectConstraint constraint =
                                  SkCanvas::kFast_SrcRectConstraint);
 
inline void DrawImageRect(SkCanvas* canvas,
                          const sk_sp<SkImage>& image,
                          const SkRect& src,
                          const SkRect& dst,
                          const SkSamplingOptions& sampling = {},
                          const SkPaint* paint = nullptr,
                          SkCanvas::SrcRectConstraint constraint =
                                  SkCanvas::kFast_SrcRectConstraint) {
    DrawImageRect(canvas, image.get(), src, dst, sampling, paint, constraint);
}
 
inline void DrawImageRect(SkCanvas* canvas,
                          const SkImage* image,
                          const SkRect& dst,
                          const SkSamplingOptions& sampling = {},
                          const SkPaint* paint = nullptr,
                          SkCanvas::SrcRectConstraint constraint =
                                  SkCanvas::kFast_SrcRectConstraint) {
    if (!image) {
        return;
    }
 
    SkRect src = SkRect::MakeIWH(image->width(), image->height());
 
    DrawImageRect(canvas, image, src, dst, sampling, paint, constraint);
}
 
inline void DrawImageRect(SkCanvas* canvas,
                          const sk_sp<SkImage>& image,
                          const SkRect& dst,
                          const SkSamplingOptions& sampling = {},
                          const SkPaint* paint = nullptr,
                          SkCanvas::SrcRectConstraint constraint =
                                  SkCanvas::kFast_SrcRectConstraint) {
    DrawImageRect(canvas, image.get(), dst, sampling, paint, constraint);
}
 
inline void DrawImage(SkCanvas* canvas,
                      const SkImage* image,
                      SkScalar x, SkScalar y,
                      const SkSamplingOptions& sampling = {},
                      const SkPaint* paint = nullptr,
                      SkCanvas::SrcRectConstraint constraint =
                              SkCanvas::kFast_SrcRectConstraint) {
    if (!image) {
        return;
    }
 
    SkRect src = SkRect::MakeIWH(image->width(), image->height());
    SkRect dst = SkRect::MakeXYWH(x, y, image->width(), image->height());
 
    DrawImageRect(canvas, image, src, dst, sampling, paint, constraint);
}
 
inline void DrawImage(SkCanvas* canvas,
                      const sk_sp<SkImage>& image,
                      SkScalar x, SkScalar y,
                      const SkSamplingOptions& sampling = {},
                      const SkPaint* paint = nullptr,
                      SkCanvas::SrcRectConstraint constraint =
                              SkCanvas::kFast_SrcRectConstraint) {
    DrawImage(canvas, image.get(), x, y, sampling, paint, constraint);
}
 
static constexpr int kNumImageKeyValues = 6;
 
SK_API void GetImageKeyValues(const SkImage* image, uint32_t keyValues[kNumImageKeyValues]);
 
}  // namespace SkTiledImageUtils
 
#endif // SkTiledImageUtils_DEFINED