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Draw cels creating a SkShader from SkImage directly from the doc::Image data

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This commit is contained in:
David Capello 2022-09-16 15:19:17 -03:00
parent be583f8149
commit f621472b7c
2 changed files with 69 additions and 0 deletions
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62
src/app/render/shader_renderer.cpp
View File

@ -151,10 +151,72 @@ void ShaderRenderer::renderSprite(os::Surface* dstSurface,
p.setShader(builder.makeShader());
canvas->drawRect(SkRect::MakeXYWH(area.dst.x, area.dst.y, area.size.w, area.size.h), p);
// Draw cels
drawLayerGroup(canvas, sprite, sprite->root(), frame, area);
}
canvas->restore();
}
void ShaderRenderer::drawLayerGroup(SkCanvas* canvas,
const doc::Sprite* sprite,
const doc::LayerGroup* group,
const doc::frame_t frame,
const gfx::ClipF& area)
{
for (auto layer : group->layers()) {
switch (layer->type()) {
case doc::ObjectType::LayerImage: {
auto imageLayer = static_cast<const LayerImage*>(layer);
if (doc::Cel* cel = imageLayer->cel(frame)) {
doc::Image* image = cel->image();
auto skData = SkData::MakeWithoutCopy(
(const void*)image->getPixelAddress(0, 0),
image->getMemSize());
// TODO support other color modes
ASSERT(image->colorMode() == doc::ColorMode::RGB);
auto skImg = SkImage::MakeRasterData(
SkImageInfo::Make(image->width(),
image->height(),
kRGBA_8888_SkColorType,
kUnpremul_SkAlphaType),
skData,
image->getRowStrideSize());
sk_sp<SkShader> imgShader = skImg->makeShader(SkSamplingOptions(SkFilterMode::kLinear));
SkPaint p;
p.setStyle(SkPaint::kFill_Style);
p.setShader(imgShader);
canvas->save();
canvas->translate(SkIntToScalar(area.dst.x + cel->x() - area.src.x),
SkIntToScalar(area.dst.y + cel->y() - area.src.y));
canvas->drawRect(SkRect::MakeXYWH(0, 0, image->width(), image->height()), p);
canvas->restore();
}
break;
}
case doc::ObjectType::LayerTilemap:
// TODO impl
break;
case doc::ObjectType::LayerGroup:
// TODO draw a group in a sub-surface and then compose that surface
drawLayerGroup(canvas, sprite,
static_cast<const doc::LayerGroup*>(layer),
frame, area);
break;
}
}
}
void ShaderRenderer::renderCheckeredBackground(doc::Image* dstImage,
const gfx::Clip& area)
{

7
src/app/render/shader_renderer.h
View File

@ -14,6 +14,7 @@
#include "include/core/SkRefCnt.h"
class SkCanvas;
class SkRuntimeEffect;
namespace app {
@ -67,6 +68,12 @@ namespace app {
const doc::BlendMode blendMode) override;
private:
void drawLayerGroup(SkCanvas* canvas,
const doc::Sprite* sprite,
const doc::LayerGroup* group,
const doc::frame_t frame,
const gfx::ClipF& area);
render::BgOptions m_bgOptions;
sk_sp<SkRuntimeEffect> m_bgEffect;
};