/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkCanvas.h"
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#include "SkData.h"
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#include "SkImage.h"
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#include "SkMaskFilter.h"
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#include "SkMatrix.h"
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#include "SkPaint.h"
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#include "SkPath.h"
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#include "SkPictureRecorder.h"
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#include "SkSurface.h"
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#include "sk_canvas.h"
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#include "sk_data.h"
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#include "sk_image.h"
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#include "sk_paint.h"
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#include "sk_path.h"
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#include "sk_surface.h"
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#include "sk_types_priv.h"
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const struct {
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sk_pixelgeometry_t fC;
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SkPixelGeometry fSK;
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} gPixelGeometryMap[] = {
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{ UNKNOWN_SK_PIXELGEOMETRY, kUnknown_SkPixelGeometry },
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{ RGB_H_SK_PIXELGEOMETRY, kRGB_H_SkPixelGeometry },
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{ BGR_H_SK_PIXELGEOMETRY, kBGR_H_SkPixelGeometry },
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{ RGB_V_SK_PIXELGEOMETRY, kRGB_V_SkPixelGeometry },
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{ BGR_V_SK_PIXELGEOMETRY, kBGR_V_SkPixelGeometry },
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};
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static bool from_c_pixelgeometry(sk_pixelgeometry_t cGeom, SkPixelGeometry* skGeom) {
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for (size_t i = 0; i < SK_ARRAY_COUNT(gPixelGeometryMap); ++i) {
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if (gPixelGeometryMap[i].fC == cGeom) {
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if (skGeom) {
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*skGeom = gPixelGeometryMap[i].fSK;
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}
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return true;
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}
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}
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return false;
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}
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static void from_c_matrix(const sk_matrix_t* cmatrix, SkMatrix* matrix) {
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matrix->setAll(cmatrix->mat[0], cmatrix->mat[1], cmatrix->mat[2],
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cmatrix->mat[3], cmatrix->mat[4], cmatrix->mat[5],
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cmatrix->mat[6], cmatrix->mat[7], cmatrix->mat[8]);
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}
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const struct {
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sk_path_direction_t fC;
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SkPath::Direction fSk;
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} gPathDirMap[] = {
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{ CW_SK_PATH_DIRECTION, SkPath::kCW_Direction },
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{ CCW_SK_PATH_DIRECTION, SkPath::kCCW_Direction },
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};
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static bool from_c_path_direction(sk_path_direction_t cdir, SkPath::Direction* dir) {
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for (size_t i = 0; i < SK_ARRAY_COUNT(gPathDirMap); ++i) {
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if (gPathDirMap[i].fC == cdir) {
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if (dir) {
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*dir = gPathDirMap[i].fSk;
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}
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return true;
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}
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}
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return false;
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}
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static SkData* AsData(const sk_data_t* cdata) {
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return reinterpret_cast<SkData*>(const_cast<sk_data_t*>(cdata));
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}
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static sk_data_t* ToData(SkData* data) {
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return reinterpret_cast<sk_data_t*>(data);
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}
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static sk_rect_t ToRect(const SkRect& rect) {
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return reinterpret_cast<const sk_rect_t&>(rect);
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}
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static const SkRect& AsRect(const sk_rect_t& crect) {
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return reinterpret_cast<const SkRect&>(crect);
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}
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static const SkPath& AsPath(const sk_path_t& cpath) {
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return reinterpret_cast<const SkPath&>(cpath);
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}
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static SkPath* as_path(sk_path_t* cpath) {
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return reinterpret_cast<SkPath*>(cpath);
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}
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static const SkImage* AsImage(const sk_image_t* cimage) {
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return reinterpret_cast<const SkImage*>(cimage);
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}
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static sk_image_t* ToImage(SkImage* cimage) {
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return reinterpret_cast<sk_image_t*>(cimage);
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}
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static sk_canvas_t* ToCanvas(SkCanvas* canvas) {
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return reinterpret_cast<sk_canvas_t*>(canvas);
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}
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static SkCanvas* AsCanvas(sk_canvas_t* ccanvas) {
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return reinterpret_cast<SkCanvas*>(ccanvas);
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}
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static SkPictureRecorder* AsPictureRecorder(sk_picture_recorder_t* crec) {
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return reinterpret_cast<SkPictureRecorder*>(crec);
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}
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static sk_picture_recorder_t* ToPictureRecorder(SkPictureRecorder* rec) {
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return reinterpret_cast<sk_picture_recorder_t*>(rec);
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}
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static const SkPicture* AsPicture(const sk_picture_t* cpic) {
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return reinterpret_cast<const SkPicture*>(cpic);
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}
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static SkPicture* AsPicture(sk_picture_t* cpic) {
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return reinterpret_cast<SkPicture*>(cpic);
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}
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static sk_picture_t* ToPicture(SkPicture* pic) {
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return reinterpret_cast<sk_picture_t*>(pic);
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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sk_image_t* sk_image_new_raster_copy(const sk_imageinfo_t* cinfo, const void* pixels,
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size_t rowBytes) {
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const SkImageInfo* info = reinterpret_cast<const SkImageInfo*>(cinfo);
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return (sk_image_t*)SkImage::MakeRasterCopy(SkPixmap(*info, pixels, rowBytes)).release();
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}
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sk_image_t* sk_image_new_from_encoded(const sk_data_t* cdata, const sk_irect_t* subset) {
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return ToImage(SkImage::MakeFromEncoded(sk_ref_sp(AsData(cdata)),
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reinterpret_cast<const SkIRect*>(subset)).release());
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}
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sk_data_t* sk_image_encode(const sk_image_t* cimage) {
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return ToData(AsImage(cimage)->encodeToData().release());
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}
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void sk_image_ref(const sk_image_t* cimage) {
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AsImage(cimage)->ref();
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}
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void sk_image_unref(const sk_image_t* cimage) {
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AsImage(cimage)->unref();
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}
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int sk_image_get_width(const sk_image_t* cimage) {
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return AsImage(cimage)->width();
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}
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int sk_image_get_height(const sk_image_t* cimage) {
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return AsImage(cimage)->height();
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}
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uint32_t sk_image_get_unique_id(const sk_image_t* cimage) {
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return AsImage(cimage)->uniqueID();
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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sk_path_t* sk_path_new() { return (sk_path_t*)new SkPath; }
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void sk_path_delete(sk_path_t* cpath) { delete as_path(cpath); }
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void sk_path_move_to(sk_path_t* cpath, float x, float y) {
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as_path(cpath)->moveTo(x, y);
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}
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void sk_path_line_to(sk_path_t* cpath, float x, float y) {
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as_path(cpath)->lineTo(x, y);
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}
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void sk_path_quad_to(sk_path_t* cpath, float x0, float y0, float x1, float y1) {
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as_path(cpath)->quadTo(x0, y0, x1, y1);
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}
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void sk_path_conic_to(sk_path_t* cpath, float x0, float y0, float x1, float y1, float w) {
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as_path(cpath)->conicTo(x0, y0, x1, y1, w);
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}
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void sk_path_cubic_to(sk_path_t* cpath, float x0, float y0, float x1, float y1, float x2, float y2) {
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as_path(cpath)->cubicTo(x0, y0, x1, y1, x2, y2);
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}
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void sk_path_close(sk_path_t* cpath) {
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as_path(cpath)->close();
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}
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void sk_path_add_rect(sk_path_t* cpath, const sk_rect_t* crect, sk_path_direction_t cdir) {
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SkPath::Direction dir;
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if (!from_c_path_direction(cdir, &dir)) {
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return;
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}
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as_path(cpath)->addRect(AsRect(*crect), dir);
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}
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void sk_path_add_oval(sk_path_t* cpath, const sk_rect_t* crect, sk_path_direction_t cdir) {
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SkPath::Direction dir;
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if (!from_c_path_direction(cdir, &dir)) {
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return;
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}
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as_path(cpath)->addOval(AsRect(*crect), dir);
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}
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bool sk_path_get_bounds(const sk_path_t* cpath, sk_rect_t* crect) {
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const SkPath& path = AsPath(*cpath);
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if (path.isEmpty()) {
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if (crect) {
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*crect = ToRect(SkRect::MakeEmpty());
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}
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return false;
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}
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if (crect) {
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*crect = ToRect(path.getBounds());
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}
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return true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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void sk_canvas_save(sk_canvas_t* ccanvas) {
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AsCanvas(ccanvas)->save();
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}
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void sk_canvas_save_layer(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) {
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AsCanvas(ccanvas)->drawRect(AsRect(*crect), AsPaint(*cpaint));
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}
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void sk_canvas_restore(sk_canvas_t* ccanvas) {
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AsCanvas(ccanvas)->restore();
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}
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void sk_canvas_translate(sk_canvas_t* ccanvas, float dx, float dy) {
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AsCanvas(ccanvas)->translate(dx, dy);
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}
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void sk_canvas_scale(sk_canvas_t* ccanvas, float sx, float sy) {
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AsCanvas(ccanvas)->scale(sx, sy);
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}
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void sk_canvas_rotate_degress(sk_canvas_t* ccanvas, float degrees) {
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AsCanvas(ccanvas)->rotate(degrees);
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}
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void sk_canvas_rotate_radians(sk_canvas_t* ccanvas, float radians) {
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AsCanvas(ccanvas)->rotate(SkRadiansToDegrees(radians));
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}
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void sk_canvas_skew(sk_canvas_t* ccanvas, float sx, float sy) {
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AsCanvas(ccanvas)->skew(sx, sy);
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}
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void sk_canvas_concat(sk_canvas_t* ccanvas, const sk_matrix_t* cmatrix) {
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SkASSERT(cmatrix);
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SkMatrix matrix;
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from_c_matrix(cmatrix, &matrix);
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AsCanvas(ccanvas)->concat(matrix);
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}
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void sk_canvas_clip_rect(sk_canvas_t* ccanvas, const sk_rect_t* crect) {
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AsCanvas(ccanvas)->clipRect(AsRect(*crect));
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}
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void sk_canvas_clip_path(sk_canvas_t* ccanvas, const sk_path_t* cpath) {
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AsCanvas(ccanvas)->clipPath(AsPath(*cpath));
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}
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void sk_canvas_draw_paint(sk_canvas_t* ccanvas, const sk_paint_t* cpaint) {
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AsCanvas(ccanvas)->drawPaint(AsPaint(*cpaint));
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}
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void sk_canvas_draw_rect(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) {
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AsCanvas(ccanvas)->drawRect(AsRect(*crect), AsPaint(*cpaint));
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}
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void sk_canvas_draw_circle(sk_canvas_t* ccanvas, float cx, float cy, float rad,
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const sk_paint_t* cpaint) {
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AsCanvas(ccanvas)->drawCircle(cx, cy, rad, AsPaint(*cpaint));
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}
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void sk_canvas_draw_oval(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) {
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AsCanvas(ccanvas)->drawOval(AsRect(*crect), AsPaint(*cpaint));
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}
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void sk_canvas_draw_path(sk_canvas_t* ccanvas, const sk_path_t* cpath, const sk_paint_t* cpaint) {
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AsCanvas(ccanvas)->drawPath(AsPath(*cpath), AsPaint(*cpaint));
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}
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void sk_canvas_draw_image(sk_canvas_t* ccanvas, const sk_image_t* cimage, float x, float y,
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const sk_paint_t* cpaint) {
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AsCanvas(ccanvas)->drawImage(AsImage(cimage), x, y, AsPaint(cpaint));
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}
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void sk_canvas_draw_image_rect(sk_canvas_t* ccanvas, const sk_image_t* cimage,
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const sk_rect_t* csrcR, const sk_rect_t* cdstR,
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const sk_paint_t* cpaint) {
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SkCanvas* canvas = AsCanvas(ccanvas);
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const SkImage* image = AsImage(cimage);
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const SkRect& dst = AsRect(*cdstR);
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const SkPaint* paint = AsPaint(cpaint);
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if (csrcR) {
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canvas->drawImageRect(image, AsRect(*csrcR), dst, paint);
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} else {
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canvas->drawImageRect(image, dst, paint);
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}
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}
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void sk_canvas_draw_picture(sk_canvas_t* ccanvas, const sk_picture_t* cpicture,
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const sk_matrix_t* cmatrix, const sk_paint_t* cpaint) {
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const SkMatrix* matrixPtr = NULL;
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SkMatrix matrix;
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if (cmatrix) {
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from_c_matrix(cmatrix, &matrix);
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matrixPtr = &matrix;
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}
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AsCanvas(ccanvas)->drawPicture(AsPicture(cpicture), matrixPtr, AsPaint(cpaint));
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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sk_surface_t* sk_surface_new_raster(const sk_imageinfo_t* cinfo,
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const sk_surfaceprops_t* props) {
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const SkImageInfo* info = reinterpret_cast<const SkImageInfo*>(cinfo);
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SkPixelGeometry geo = kUnknown_SkPixelGeometry;
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if (props && !from_c_pixelgeometry(props->pixelGeometry, &geo)) {
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return NULL;
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}
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SkSurfaceProps surfProps(0, geo);
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return (sk_surface_t*)SkSurface::MakeRaster(*info, &surfProps).release();
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}
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sk_surface_t* sk_surface_new_raster_direct(const sk_imageinfo_t* cinfo, void* pixels,
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size_t rowBytes,
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const sk_surfaceprops_t* props) {
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const SkImageInfo* info = reinterpret_cast<const SkImageInfo*>(cinfo);
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SkPixelGeometry geo = kUnknown_SkPixelGeometry;
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if (props && !from_c_pixelgeometry(props->pixelGeometry, &geo)) {
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return NULL;
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}
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SkSurfaceProps surfProps(0, geo);
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return (sk_surface_t*)SkSurface::MakeRasterDirect(*info, pixels, rowBytes, &surfProps).release();
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}
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void sk_surface_unref(sk_surface_t* csurf) {
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SkSafeUnref((SkSurface*)csurf);
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}
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sk_canvas_t* sk_surface_get_canvas(sk_surface_t* csurf) {
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SkSurface* surf = (SkSurface*)csurf;
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return (sk_canvas_t*)surf->getCanvas();
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}
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sk_image_t* sk_surface_new_image_snapshot(sk_surface_t* csurf) {
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SkSurface* surf = (SkSurface*)csurf;
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return (sk_image_t*)surf->makeImageSnapshot().release();
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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sk_picture_recorder_t* sk_picture_recorder_new() {
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return ToPictureRecorder(new SkPictureRecorder);
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}
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void sk_picture_recorder_delete(sk_picture_recorder_t* crec) {
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delete AsPictureRecorder(crec);
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}
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sk_canvas_t* sk_picture_recorder_begin_recording(sk_picture_recorder_t* crec,
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const sk_rect_t* cbounds) {
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return ToCanvas(AsPictureRecorder(crec)->beginRecording(AsRect(*cbounds)));
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}
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sk_picture_t* sk_picture_recorder_end_recording(sk_picture_recorder_t* crec) {
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return ToPicture(AsPictureRecorder(crec)->finishRecordingAsPicture().release());
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}
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void sk_picture_ref(sk_picture_t* cpic) {
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SkSafeRef(AsPicture(cpic));
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}
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void sk_picture_unref(sk_picture_t* cpic) {
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SkSafeUnref(AsPicture(cpic));
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}
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uint32_t sk_picture_get_unique_id(sk_picture_t* cpic) {
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return AsPicture(cpic)->uniqueID();
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}
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sk_rect_t sk_picture_get_bounds(sk_picture_t* cpic) {
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return ToRect(AsPicture(cpic)->cullRect());
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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sk_data_t* sk_data_new_with_copy(const void* src, size_t length) {
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return ToData(SkData::MakeWithCopy(src, length).release());
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}
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sk_data_t* sk_data_new_from_malloc(const void* memory, size_t length) {
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return ToData(SkData::MakeFromMalloc(memory, length).release());
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}
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sk_data_t* sk_data_new_subset(const sk_data_t* csrc, size_t offset, size_t length) {
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return ToData(SkData::MakeSubset(AsData(csrc), offset, length).release());
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}
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void sk_data_ref(const sk_data_t* cdata) {
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SkSafeRef(AsData(cdata));
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}
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void sk_data_unref(const sk_data_t* cdata) {
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SkSafeUnref(AsData(cdata));
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}
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size_t sk_data_get_size(const sk_data_t* cdata) {
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return AsData(cdata)->size();
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}
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const void* sk_data_get_data(const sk_data_t* cdata) {
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return AsData(cdata)->data();
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}
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///////////////////////////////////////////////////////////////////////////////////////////
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