import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

other-licenses/skia-npapi/ANPCanvas.cpp

@@ -0,0 +1,199 @@
+/*
+ * 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"
+#include "SkRect.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) {
+    SkIRect bounds;
+    if (canvas->skcanvas->getClipDeviceBounds(&bounds)) {
+        SkANP::SetRect(r, bounds);
+        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;
+
+    if (src) {
+        canvas->skcanvas->drawBitmapRect(*SkANP::SetBitmap(&bm, *bitmap),
+                                         *SkANP::SetRect(&srcR, *src),
+                                         *SkANP::SetRect(&dstR, *dst),
+                                         paint);
+    } else {
+        canvas->skcanvas->drawBitmapRect(*SkANP::SetBitmap(&bm, *bitmap),
+                                         *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);
+}