blob: a77f61e85f4090e914e7b70fda0aba13ea04eb68 [file] [log] [blame]
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkCanvas.h"
#include "SkData.h"
#include "SkImage.h"
#include "SkMaskFilter.h"
#include "SkMatrix.h"
#include "SkPaint.h"
#include "SkPath.h"
#include "SkPictureRecorder.h"
#include "SkSurface.h"
#include "sk_canvas.h"
#include "sk_data.h"
#include "sk_image.h"
#include "sk_paint.h"
#include "sk_path.h"
#include "sk_surface.h"
#include "sk_types_priv.h"
const struct {
sk_colortype_t fC;
SkColorType fSK;
} gColorTypeMap[] = {
{ UNKNOWN_SK_COLORTYPE, kUnknown_SkColorType },
{ RGBA_8888_SK_COLORTYPE, kRGBA_8888_SkColorType },
{ BGRA_8888_SK_COLORTYPE, kBGRA_8888_SkColorType },
{ ALPHA_8_SK_COLORTYPE, kAlpha_8_SkColorType },
};
const struct {
sk_alphatype_t fC;
SkAlphaType fSK;
} gAlphaTypeMap[] = {
{ OPAQUE_SK_ALPHATYPE, kOpaque_SkAlphaType },
{ PREMUL_SK_ALPHATYPE, kPremul_SkAlphaType },
{ UNPREMUL_SK_ALPHATYPE, kUnpremul_SkAlphaType },
};
static bool from_c_colortype(sk_colortype_t cCT, SkColorType* skCT) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypeMap); ++i) {
if (gColorTypeMap[i].fC == cCT) {
if (skCT) {
*skCT = gColorTypeMap[i].fSK;
}
return true;
}
}
return false;
}
static bool to_c_colortype(SkColorType skCT, sk_colortype_t* cCT) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypeMap); ++i) {
if (gColorTypeMap[i].fSK == skCT) {
if (cCT) {
*cCT = gColorTypeMap[i].fC;
}
return true;
}
}
return false;
}
static bool from_c_alphatype(sk_alphatype_t cAT, SkAlphaType* skAT) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gAlphaTypeMap); ++i) {
if (gAlphaTypeMap[i].fC == cAT) {
if (skAT) {
*skAT = gAlphaTypeMap[i].fSK;
}
return true;
}
}
return false;
}
static bool from_c_info(const sk_imageinfo_t& cinfo, SkImageInfo* info) {
SkColorType ct;
SkAlphaType at;
if (!from_c_colortype(cinfo.colorType, &ct)) {
// optionally report error to client?
return false;
}
if (!from_c_alphatype(cinfo.alphaType, &at)) {
// optionally report error to client?
return false;
}
if (info) {
*info = SkImageInfo::Make(cinfo.width, cinfo.height, ct, at);
}
return true;
}
const struct {
sk_pixelgeometry_t fC;
SkPixelGeometry fSK;
} gPixelGeometryMap[] = {
{ UNKNOWN_SK_PIXELGEOMETRY, kUnknown_SkPixelGeometry },
{ RGB_H_SK_PIXELGEOMETRY, kRGB_H_SkPixelGeometry },
{ BGR_H_SK_PIXELGEOMETRY, kBGR_H_SkPixelGeometry },
{ RGB_V_SK_PIXELGEOMETRY, kRGB_V_SkPixelGeometry },
{ BGR_V_SK_PIXELGEOMETRY, kBGR_V_SkPixelGeometry },
};
static bool from_c_pixelgeometry(sk_pixelgeometry_t cGeom, SkPixelGeometry* skGeom) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gPixelGeometryMap); ++i) {
if (gPixelGeometryMap[i].fC == cGeom) {
if (skGeom) {
*skGeom = gPixelGeometryMap[i].fSK;
}
return true;
}
}
return false;
}
static void from_c_matrix(const sk_matrix_t* cmatrix, SkMatrix* matrix) {
matrix->setAll(cmatrix->mat[0], cmatrix->mat[1], cmatrix->mat[2],
cmatrix->mat[3], cmatrix->mat[4], cmatrix->mat[5],
cmatrix->mat[6], cmatrix->mat[7], cmatrix->mat[8]);
}
const struct {
sk_path_direction_t fC;
SkPath::Direction fSk;
} gPathDirMap[] = {
{ CW_SK_PATH_DIRECTION, SkPath::kCW_Direction },
{ CCW_SK_PATH_DIRECTION, SkPath::kCCW_Direction },
};
static bool from_c_path_direction(sk_path_direction_t cdir, SkPath::Direction* dir) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gPathDirMap); ++i) {
if (gPathDirMap[i].fC == cdir) {
if (dir) {
*dir = gPathDirMap[i].fSk;
}
return true;
}
}
return false;
}
static SkData* AsData(const sk_data_t* cdata) {
return reinterpret_cast<SkData*>(const_cast<sk_data_t*>(cdata));
}
static sk_data_t* ToData(SkData* data) {
return reinterpret_cast<sk_data_t*>(data);
}
static sk_rect_t ToRect(const SkRect& rect) {
return reinterpret_cast<const sk_rect_t&>(rect);
}
static const SkRect& AsRect(const sk_rect_t& crect) {
return reinterpret_cast<const SkRect&>(crect);
}
static const SkPath& AsPath(const sk_path_t& cpath) {
return reinterpret_cast<const SkPath&>(cpath);
}
static SkPath* as_path(sk_path_t* cpath) {
return reinterpret_cast<SkPath*>(cpath);
}
static const SkImage* AsImage(const sk_image_t* cimage) {
return reinterpret_cast<const SkImage*>(cimage);
}
static sk_image_t* ToImage(SkImage* cimage) {
return reinterpret_cast<sk_image_t*>(cimage);
}
static sk_canvas_t* ToCanvas(SkCanvas* canvas) {
return reinterpret_cast<sk_canvas_t*>(canvas);
}
static SkCanvas* AsCanvas(sk_canvas_t* ccanvas) {
return reinterpret_cast<SkCanvas*>(ccanvas);
}
static SkPictureRecorder* AsPictureRecorder(sk_picture_recorder_t* crec) {
return reinterpret_cast<SkPictureRecorder*>(crec);
}
static sk_picture_recorder_t* ToPictureRecorder(SkPictureRecorder* rec) {
return reinterpret_cast<sk_picture_recorder_t*>(rec);
}
static const SkPicture* AsPicture(const sk_picture_t* cpic) {
return reinterpret_cast<const SkPicture*>(cpic);
}
static SkPicture* AsPicture(sk_picture_t* cpic) {
return reinterpret_cast<SkPicture*>(cpic);
}
static sk_picture_t* ToPicture(SkPicture* pic) {
return reinterpret_cast<sk_picture_t*>(pic);
}
///////////////////////////////////////////////////////////////////////////////////////////
sk_colortype_t sk_colortype_get_default_8888() {
sk_colortype_t ct;
if (!to_c_colortype(kN32_SkColorType, &ct)) {
ct = UNKNOWN_SK_COLORTYPE;
}
return ct;
}
///////////////////////////////////////////////////////////////////////////////////////////
sk_image_t* sk_image_new_raster_copy(const sk_imageinfo_t* cinfo, const void* pixels,
size_t rowBytes) {
SkImageInfo info;
if (!from_c_info(*cinfo, &info)) {
return NULL;
}
return (sk_image_t*)SkImage::MakeRasterCopy(SkPixmap(info, pixels, rowBytes)).release();
}
sk_image_t* sk_image_new_from_encoded(const sk_data_t* cdata, const sk_irect_t* subset) {
return ToImage(SkImage::MakeFromEncoded(sk_ref_sp(AsData(cdata)),
reinterpret_cast<const SkIRect*>(subset)).release());
}
sk_data_t* sk_image_encode(const sk_image_t* cimage) {
return ToData(AsImage(cimage)->encodeToData().release());
}
void sk_image_ref(const sk_image_t* cimage) {
AsImage(cimage)->ref();
}
void sk_image_unref(const sk_image_t* cimage) {
AsImage(cimage)->unref();
}
int sk_image_get_width(const sk_image_t* cimage) {
return AsImage(cimage)->width();
}
int sk_image_get_height(const sk_image_t* cimage) {
return AsImage(cimage)->height();
}
uint32_t sk_image_get_unique_id(const sk_image_t* cimage) {
return AsImage(cimage)->uniqueID();
}
///////////////////////////////////////////////////////////////////////////////////////////
sk_path_t* sk_path_new() { return (sk_path_t*)new SkPath; }
void sk_path_delete(sk_path_t* cpath) { delete as_path(cpath); }
void sk_path_move_to(sk_path_t* cpath, float x, float y) {
as_path(cpath)->moveTo(x, y);
}
void sk_path_line_to(sk_path_t* cpath, float x, float y) {
as_path(cpath)->lineTo(x, y);
}
void sk_path_quad_to(sk_path_t* cpath, float x0, float y0, float x1, float y1) {
as_path(cpath)->quadTo(x0, y0, x1, y1);
}
void sk_path_conic_to(sk_path_t* cpath, float x0, float y0, float x1, float y1, float w) {
as_path(cpath)->conicTo(x0, y0, x1, y1, w);
}
void sk_path_cubic_to(sk_path_t* cpath, float x0, float y0, float x1, float y1, float x2, float y2) {
as_path(cpath)->cubicTo(x0, y0, x1, y1, x2, y2);
}
void sk_path_close(sk_path_t* cpath) {
as_path(cpath)->close();
}
void sk_path_add_rect(sk_path_t* cpath, const sk_rect_t* crect, sk_path_direction_t cdir) {
SkPath::Direction dir;
if (!from_c_path_direction(cdir, &dir)) {
return;
}
as_path(cpath)->addRect(AsRect(*crect), dir);
}
void sk_path_add_oval(sk_path_t* cpath, const sk_rect_t* crect, sk_path_direction_t cdir) {
SkPath::Direction dir;
if (!from_c_path_direction(cdir, &dir)) {
return;
}
as_path(cpath)->addOval(AsRect(*crect), dir);
}
bool sk_path_get_bounds(const sk_path_t* cpath, sk_rect_t* crect) {
const SkPath& path = AsPath(*cpath);
if (path.isEmpty()) {
if (crect) {
*crect = ToRect(SkRect::MakeEmpty());
}
return false;
}
if (crect) {
*crect = ToRect(path.getBounds());
}
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////
void sk_canvas_save(sk_canvas_t* ccanvas) {
AsCanvas(ccanvas)->save();
}
void sk_canvas_save_layer(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) {
AsCanvas(ccanvas)->drawRect(AsRect(*crect), AsPaint(*cpaint));
}
void sk_canvas_restore(sk_canvas_t* ccanvas) {
AsCanvas(ccanvas)->restore();
}
void sk_canvas_translate(sk_canvas_t* ccanvas, float dx, float dy) {
AsCanvas(ccanvas)->translate(dx, dy);
}
void sk_canvas_scale(sk_canvas_t* ccanvas, float sx, float sy) {
AsCanvas(ccanvas)->scale(sx, sy);
}
void sk_canvas_rotate_degress(sk_canvas_t* ccanvas, float degrees) {
AsCanvas(ccanvas)->rotate(degrees);
}
void sk_canvas_rotate_radians(sk_canvas_t* ccanvas, float radians) {
AsCanvas(ccanvas)->rotate(SkRadiansToDegrees(radians));
}
void sk_canvas_skew(sk_canvas_t* ccanvas, float sx, float sy) {
AsCanvas(ccanvas)->skew(sx, sy);
}
void sk_canvas_concat(sk_canvas_t* ccanvas, const sk_matrix_t* cmatrix) {
SkASSERT(cmatrix);
SkMatrix matrix;
from_c_matrix(cmatrix, &matrix);
AsCanvas(ccanvas)->concat(matrix);
}
void sk_canvas_clip_rect(sk_canvas_t* ccanvas, const sk_rect_t* crect) {
AsCanvas(ccanvas)->clipRect(AsRect(*crect));
}
void sk_canvas_clip_path(sk_canvas_t* ccanvas, const sk_path_t* cpath) {
AsCanvas(ccanvas)->clipPath(AsPath(*cpath));
}
void sk_canvas_draw_paint(sk_canvas_t* ccanvas, const sk_paint_t* cpaint) {
AsCanvas(ccanvas)->drawPaint(AsPaint(*cpaint));
}
void sk_canvas_draw_rect(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) {
AsCanvas(ccanvas)->drawRect(AsRect(*crect), AsPaint(*cpaint));
}
void sk_canvas_draw_circle(sk_canvas_t* ccanvas, float cx, float cy, float rad,
const sk_paint_t* cpaint) {
AsCanvas(ccanvas)->drawCircle(cx, cy, rad, AsPaint(*cpaint));
}
void sk_canvas_draw_oval(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) {
AsCanvas(ccanvas)->drawOval(AsRect(*crect), AsPaint(*cpaint));
}
void sk_canvas_draw_path(sk_canvas_t* ccanvas, const sk_path_t* cpath, const sk_paint_t* cpaint) {
AsCanvas(ccanvas)->drawPath(AsPath(*cpath), AsPaint(*cpaint));
}
void sk_canvas_draw_image(sk_canvas_t* ccanvas, const sk_image_t* cimage, float x, float y,
const sk_paint_t* cpaint) {
AsCanvas(ccanvas)->drawImage(AsImage(cimage), x, y, AsPaint(cpaint));
}
void sk_canvas_draw_image_rect(sk_canvas_t* ccanvas, const sk_image_t* cimage,
const sk_rect_t* csrcR, const sk_rect_t* cdstR,
const sk_paint_t* cpaint) {
SkCanvas* canvas = AsCanvas(ccanvas);
const SkImage* image = AsImage(cimage);
const SkRect& dst = AsRect(*cdstR);
const SkPaint* paint = AsPaint(cpaint);
if (csrcR) {
canvas->drawImageRect(image, AsRect(*csrcR), dst, paint);
} else {
canvas->drawImageRect(image, dst, paint);
}
}
void sk_canvas_draw_picture(sk_canvas_t* ccanvas, const sk_picture_t* cpicture,
const sk_matrix_t* cmatrix, const sk_paint_t* cpaint) {
const SkMatrix* matrixPtr = NULL;
SkMatrix matrix;
if (cmatrix) {
from_c_matrix(cmatrix, &matrix);
matrixPtr = &matrix;
}
AsCanvas(ccanvas)->drawPicture(AsPicture(cpicture), matrixPtr, AsPaint(cpaint));
}
///////////////////////////////////////////////////////////////////////////////////////////
sk_surface_t* sk_surface_new_raster(const sk_imageinfo_t* cinfo,
const sk_surfaceprops_t* props) {
SkImageInfo info;
if (!from_c_info(*cinfo, &info)) {
return NULL;
}
SkPixelGeometry geo = kUnknown_SkPixelGeometry;
if (props && !from_c_pixelgeometry(props->pixelGeometry, &geo)) {
return NULL;
}
SkSurfaceProps surfProps(0, geo);
return (sk_surface_t*)SkSurface::MakeRaster(info, &surfProps).release();
}
sk_surface_t* sk_surface_new_raster_direct(const sk_imageinfo_t* cinfo, void* pixels,
size_t rowBytes,
const sk_surfaceprops_t* props) {
SkImageInfo info;
if (!from_c_info(*cinfo, &info)) {
return NULL;
}
SkPixelGeometry geo = kUnknown_SkPixelGeometry;
if (props && !from_c_pixelgeometry(props->pixelGeometry, &geo)) {
return NULL;
}
SkSurfaceProps surfProps(0, geo);
return (sk_surface_t*)SkSurface::MakeRasterDirect(info, pixels, rowBytes, &surfProps).release();
}
void sk_surface_unref(sk_surface_t* csurf) {
SkSafeUnref((SkSurface*)csurf);
}
sk_canvas_t* sk_surface_get_canvas(sk_surface_t* csurf) {
SkSurface* surf = (SkSurface*)csurf;
return (sk_canvas_t*)surf->getCanvas();
}
sk_image_t* sk_surface_new_image_snapshot(sk_surface_t* csurf) {
SkSurface* surf = (SkSurface*)csurf;
return (sk_image_t*)surf->makeImageSnapshot().release();
}
///////////////////////////////////////////////////////////////////////////////////////////
sk_picture_recorder_t* sk_picture_recorder_new() {
return ToPictureRecorder(new SkPictureRecorder);
}
void sk_picture_recorder_delete(sk_picture_recorder_t* crec) {
delete AsPictureRecorder(crec);
}
sk_canvas_t* sk_picture_recorder_begin_recording(sk_picture_recorder_t* crec,
const sk_rect_t* cbounds) {
return ToCanvas(AsPictureRecorder(crec)->beginRecording(AsRect(*cbounds)));
}
sk_picture_t* sk_picture_recorder_end_recording(sk_picture_recorder_t* crec) {
return ToPicture(AsPictureRecorder(crec)->finishRecordingAsPicture().release());
}
void sk_picture_ref(sk_picture_t* cpic) {
SkSafeRef(AsPicture(cpic));
}
void sk_picture_unref(sk_picture_t* cpic) {
SkSafeUnref(AsPicture(cpic));
}
uint32_t sk_picture_get_unique_id(sk_picture_t* cpic) {
return AsPicture(cpic)->uniqueID();
}
sk_rect_t sk_picture_get_bounds(sk_picture_t* cpic) {
return ToRect(AsPicture(cpic)->cullRect());
}
///////////////////////////////////////////////////////////////////////////////////////////
sk_data_t* sk_data_new_with_copy(const void* src, size_t length) {
return ToData(SkData::MakeWithCopy(src, length).release());
}
sk_data_t* sk_data_new_from_malloc(const void* memory, size_t length) {
return ToData(SkData::MakeFromMalloc(memory, length).release());
}
sk_data_t* sk_data_new_subset(const sk_data_t* csrc, size_t offset, size_t length) {
return ToData(SkData::MakeSubset(AsData(csrc), offset, length).release());
}
void sk_data_ref(const sk_data_t* cdata) {
SkSafeRef(AsData(cdata));
}
void sk_data_unref(const sk_data_t* cdata) {
SkSafeUnref(AsData(cdata));
}
size_t sk_data_get_size(const sk_data_t* cdata) {
return AsData(cdata)->size();
}
const void* sk_data_get_data(const sk_data_t* cdata) {
return AsData(cdata)->data();
}
///////////////////////////////////////////////////////////////////////////////////////////