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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkParsePaint.h"
#include "SkTSearch.h"
#include "SkParse.h"
#include "SkImageDecoder.h"
#include "SkGradientShader.h"
static SkShader* inflate_shader(const SkDOM& dom, const SkDOM::Node* node)
{
if ((node = dom.getFirstChild(node, "shader")) == NULL)
return NULL;
const char* str;
if (dom.hasAttr(node, "type", "linear-gradient"))
{
SkColor colors[2];
SkPoint pts[2];
colors[0] = colors[1] = SK_ColorBLACK; // need to initialized the alpha to opaque, since FindColor doesn't set it
if ((str = dom.findAttr(node, "c0")) != NULL &&
SkParse::FindColor(str, &colors[0]) &&
(str = dom.findAttr(node, "c1")) != NULL &&
SkParse::FindColor(str, &colors[1]) &&
dom.findScalars(node, "p0", &pts[0].fX, 2) &&
dom.findScalars(node, "p1", &pts[1].fX, 2))
{
SkShader::TileMode mode = SkShader::kClamp_TileMode;
int index;
if ((index = dom.findList(node, "tile-mode", "clamp,repeat,mirror")) >= 0)
mode = (SkShader::TileMode)index;
return SkGradientShader::CreateLinear(pts, colors, NULL, 2, mode);
}
}
else if (dom.hasAttr(node, "type", "bitmap"))
{
if ((str = dom.findAttr(node, "src")) == NULL)
return NULL;
SkBitmap bm;
if (SkImageDecoder::DecodeFile(str, &bm))
{
SkShader::TileMode mode = SkShader::kRepeat_TileMode;
int index;
if ((index = dom.findList(node, "tile-mode", "clamp,repeat,mirror")) >= 0)
mode = (SkShader::TileMode)index;
return SkShader::CreateBitmapShader(bm, mode, mode);
}
}
return NULL;
}
void SkPaint_Inflate(SkPaint* paint, const SkDOM& dom, const SkDOM::Node* node)
{
SkASSERT(paint);
SkASSERT(&dom);
SkASSERT(node);
SkScalar x;
if (dom.findScalar(node, "stroke-width", &x))
paint->setStrokeWidth(x);
if (dom.findScalar(node, "text-size", &x))
paint->setTextSize(x);
bool b;
SkASSERT("legacy: use is-stroke" && !dom.findBool(node, "is-frame", &b));
if (dom.findBool(node, "is-stroke", &b))
paint->setStyle(b ? SkPaint::kStroke_Style : SkPaint::kFill_Style);
if (dom.findBool(node, "is-antialias", &b))
paint->setAntiAlias(b);
if (dom.findBool(node, "is-lineartext", &b))
paint->setLinearText(b);
const char* str = dom.findAttr(node, "color");
if (str)
{
SkColor c = paint->getColor();
if (SkParse::FindColor(str, &c))
paint->setColor(c);
}
// do this AFTER parsing for the color
if (dom.findScalar(node, "opacity", &x))
{
x = SkMaxScalar(0, SkMinScalar(x, SK_Scalar1));
paint->setAlpha(SkScalarRoundToInt(x * 255));
}
int index = dom.findList(node, "text-anchor", "left,center,right");
if (index >= 0)
paint->setTextAlign((SkPaint::Align)index);
SkShader* shader = inflate_shader(dom, node);
if (shader)
paint->setShader(shader)->unref();
}
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