gecko-dev/other-licenses/skia-npapi/ANPCanvas.cpp

194 lines
6.6 KiB
C++

/*
* Copyright 2008, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// must include config.h first for webkit to fiddle with new/delete
#include "SkANP.h"
static ANPCanvas* anp_newCanvas(const ANPBitmap* bitmap) {
SkBitmap bm;
return new ANPCanvas(*SkANP::SetBitmap(&bm, *bitmap));
}
static void anp_deleteCanvas(ANPCanvas* canvas) {
delete canvas;
}
static void anp_save(ANPCanvas* canvas) {
canvas->skcanvas->save();
}
static void anp_restore(ANPCanvas* canvas) {
canvas->skcanvas->restore();
}
static void anp_translate(ANPCanvas* canvas, float tx, float ty) {
canvas->skcanvas->translate(SkFloatToScalar(tx), SkFloatToScalar(ty));
}
static void anp_scale(ANPCanvas* canvas, float sx, float sy) {
canvas->skcanvas->scale(SkFloatToScalar(sx), SkFloatToScalar(sy));
}
static void anp_rotate(ANPCanvas* canvas, float degrees) {
canvas->skcanvas->rotate(SkFloatToScalar(degrees));
}
static void anp_skew(ANPCanvas* canvas, float kx, float ky) {
canvas->skcanvas->skew(SkFloatToScalar(kx), SkFloatToScalar(ky));
}
static void anp_clipRect(ANPCanvas* canvas, const ANPRectF* rect) {
SkRect r;
canvas->skcanvas->clipRect(*SkANP::SetRect(&r, *rect));
}
static void anp_clipPath(ANPCanvas* canvas, const ANPPath* path) {
canvas->skcanvas->clipPath(*path);
}
static void anp_concat(ANPCanvas* canvas, const ANPMatrix* matrix) {
canvas->skcanvas->concat(*matrix);
}
static void anp_getTotalMatrix(ANPCanvas* canvas, ANPMatrix* matrix) {
const SkMatrix& src = canvas->skcanvas->getTotalMatrix();
*matrix = *reinterpret_cast<const ANPMatrix*>(&src);
}
static bool anp_getLocalClipBounds(ANPCanvas* canvas, ANPRectF* r,
bool antialias) {
SkRect bounds;
if (canvas->skcanvas->getClipBounds(&bounds)) {
SkANP::SetRect(r, bounds);
return true;
}
return false;
}
static bool anp_getDeviceClipBounds(ANPCanvas* canvas, ANPRectI* r) {
const SkRegion& clip = canvas->skcanvas->getTotalClip();
if (!clip.isEmpty()) {
SkANP::SetRect(r, clip.getBounds());
return true;
}
return false;
}
static void anp_drawColor(ANPCanvas* canvas, ANPColor color) {
canvas->skcanvas->drawColor(color);
}
static void anp_drawPaint(ANPCanvas* canvas, const ANPPaint* paint) {
canvas->skcanvas->drawPaint(*paint);
}
static void anp_drawLine(ANPCanvas* canvas, float x0, float y0,
float x1, float y1, const ANPPaint* paint) {
canvas->skcanvas->drawLine(SkFloatToScalar(x0), SkFloatToScalar(y0),
SkFloatToScalar(x1), SkFloatToScalar(y1), *paint);
}
static void anp_drawRect(ANPCanvas* canvas, const ANPRectF* rect,
const ANPPaint* paint) {
SkRect r;
canvas->skcanvas->drawRect(*SkANP::SetRect(&r, *rect), *paint);
}
static void anp_drawOval(ANPCanvas* canvas, const ANPRectF* rect,
const ANPPaint* paint) {
SkRect r;
canvas->skcanvas->drawOval(*SkANP::SetRect(&r, *rect), *paint);
}
static void anp_drawPath(ANPCanvas* canvas, const ANPPath* path,
const ANPPaint* paint) {
canvas->skcanvas->drawPath(*path, *paint);
}
static void anp_drawText(ANPCanvas* canvas, const void* text, uint32_t length,
float x, float y, const ANPPaint* paint) {
canvas->skcanvas->drawText(text, length,
SkFloatToScalar(x), SkFloatToScalar(y),
*paint);
}
static void anp_drawPosText(ANPCanvas* canvas, const void* text,
uint32_t byteLength, const float xy[], const ANPPaint* paint) {
canvas->skcanvas->drawPosText(text, byteLength,
reinterpret_cast<const SkPoint*>(xy), *paint);
}
static void anp_drawBitmap(ANPCanvas* canvas, const ANPBitmap* bitmap,
float x, float y, const ANPPaint* paint) {
SkBitmap bm;
canvas->skcanvas->drawBitmap(*SkANP::SetBitmap(&bm, *bitmap),
SkFloatToScalar(x), SkFloatToScalar(y),
paint);
}
static void anp_drawBitmapRect(ANPCanvas* canvas, const ANPBitmap* bitmap,
const ANPRectI* src, const ANPRectF* dst,
const ANPPaint* paint) {
SkBitmap bm;
SkRect dstR;
SkIRect srcR, *srcPtr = NULL;
if (src) {
srcPtr = SkANP::SetRect(&srcR, *src);
}
canvas->skcanvas->drawBitmapRect(*SkANP::SetBitmap(&bm, *bitmap), srcPtr,
*SkANP::SetRect(&dstR, *dst), paint);
}
///////////////////////////////////////////////////////////////////////////////
#define ASSIGN(obj, name) (obj)->name = anp_##name
void InitCanvasInterface(ANPCanvasInterfaceV0* i) {
ASSIGN(i, newCanvas);
ASSIGN(i, deleteCanvas);
ASSIGN(i, save);
ASSIGN(i, restore);
ASSIGN(i, translate);
ASSIGN(i, scale);
ASSIGN(i, rotate);
ASSIGN(i, skew);
ASSIGN(i, clipRect);
ASSIGN(i, clipPath);
ASSIGN(i, concat);
ASSIGN(i, getTotalMatrix);
ASSIGN(i, getLocalClipBounds);
ASSIGN(i, getDeviceClipBounds);
ASSIGN(i, drawColor);
ASSIGN(i, drawPaint);
ASSIGN(i, drawLine);
ASSIGN(i, drawRect);
ASSIGN(i, drawOval);
ASSIGN(i, drawPath);
ASSIGN(i, drawText);
ASSIGN(i, drawPosText);
ASSIGN(i, drawBitmap);
ASSIGN(i, drawBitmapRect);
}