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Fixed rendering of non-transparent rating icons (ported from batocera-emulationstation)

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This commit is contained in:
Leon Styhre 2020-05-15 18:12:16 +02:00
parent 0aafc1314a
commit c01d1491e6
2 changed files with 53 additions and 25 deletions
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65
es-app/src/components/RatingComponent.cpp
View file

@ -3,7 +3,7 @@
#include "resources/TextureResource.h"
#include "ThemeData.h"
RatingComponent::RatingComponent(Window* window) : GuiComponent(window), mColorShift(0xFFFFFFFF)
RatingComponent::RatingComponent(Window* window) : GuiComponent(window), mColorShift(0xFFFFFFFF), mUnfilledColor(0xFFFFFFFF)
{
mFilledTexture = TextureResource::get(":/star_filled.svg", true);
mUnfilledTexture = TextureResource::get(":/star_unfilled.svg", true);
@ -41,12 +41,16 @@ std::string RatingComponent::getValue() const
void RatingComponent::setOpacity(unsigned char opacity)
{
mOpacity = opacity;
mColorShift = (mColorShift >> 8 << 8) | mOpacity;
updateColors();
}
void RatingComponent::setColorShift(unsigned int color)
{
mColorShift = color;
// Grab the opacity from the color shift because we may need to apply it if
// fading textures in
mOpacity = color & 0xff;
updateColors();
}
@ -75,18 +79,17 @@ void RatingComponent::updateVertices()
const float h = getSize().y(); // is the same as a single star's width
const float w = getSize().y() * mValue * numStars;
const float fw = getSize().y() * numStars;
const unsigned int color = Renderer::convertColor(mColorShift);
mVertices[0] = { { 0.0f, 0.0f }, { 0.0f, 1.0f }, 0 };
mVertices[1] = { { 0.0f, h }, { 0.0f, 0.0f }, 0 };
mVertices[2] = { { w, 0.0f }, { mValue * numStars, 1.0f }, 0 };
mVertices[3] = { { w, h }, { mValue * numStars, 0.0f }, 0 };
mVertices[0] = { { 0.0f, 0.0f }, { 0.0f, 1.0f }, color };
mVertices[1] = { { 0.0f, h }, { 0.0f, 0.0f }, color };
mVertices[2] = { { w, 0.0f }, { mValue * numStars, 1.0f }, color };
mVertices[3] = { { w, h }, { mValue * numStars, 0.0f }, color };
mVertices[4] = { { 0.0f, 0.0f }, { 0.0f, 1.0f }, 0 };
mVertices[5] = { { 0.0f, h }, { 0.0f, 0.0f }, 0 };
mVertices[6] = { { fw, 0.0f }, { numStars, 1.0f }, 0 };
mVertices[7] = { { fw, h }, { numStars, 0.0f }, 0 };
updateColors();
mVertices[4] = { { 0.0f, 0.0f }, { 0.0f, 1.0f }, color };
mVertices[5] = { { 0.0f, h }, { 0.0f, 0.0f }, color };
mVertices[6] = { { fw, 0.0f }, { numStars, 1.0f }, color };
mVertices[7] = { { fw, h }, { numStars, 0.0f }, color };
// round vertices
for(int i = 0; i < 8; ++i)
@ -95,8 +98,7 @@ void RatingComponent::updateVertices()
void RatingComponent::updateColors()
{
const float opacity = mOpacity / 255.0;
const unsigned int color = Renderer::convertColor(mColorShift & 0xFFFFFF00 | (unsigned char)((mColorShift & 0xFF) * opacity));
const unsigned int color = Renderer::convertColor(mColorShift);
for(int i = 0; i < 8; ++i)
mVertices[i].col = color;
@ -104,17 +106,35 @@ void RatingComponent::updateColors()
void RatingComponent::render(const Transform4x4f& parentTrans)
{
if (!isVisible())
if (!isVisible() || mFilledTexture == nullptr || mUnfilledTexture == nullptr)
return;
Transform4x4f trans = parentTrans * getTransform();
Renderer::setMatrix(trans);
mFilledTexture->bind();
Renderer::drawTriangleStrips(&mVertices[0], 4);
if (mUnfilledTexture->bind())
{
if (mUnfilledColor != mColorShift)
{
const unsigned int color = Renderer::convertColor(mUnfilledColor);
for (int i = 0; i < 8; ++i)
mVertices[i].col = color;
}
mUnfilledTexture->bind();
Renderer::drawTriangleStrips(&mVertices[4], 4);
Renderer::bindTexture(0);
if (mUnfilledColor != mColorShift)
updateColors();
}
if (mFilledTexture->bind())
{
Renderer::drawTriangleStrips(&mVertices[0], 4);
Renderer::bindTexture(0);
}
renderChildren(trans);
}
@ -155,10 +175,17 @@ void RatingComponent::applyTheme(const std::shared_ptr<ThemeData>& theme, const
imgChanged = true;
}
if(properties & COLOR && elem->has("color"))
if (properties & COLOR)
{
if (elem->has("color"))
setColorShift(elem->get<unsigned int>("color"));
if (elem->has("unfilledColor"))
mUnfilledColor = elem->get<unsigned int>("unfilledColor");
else
mUnfilledColor = mColorShift;
}
if(imgChanged)
onSizeChanged();
}

1
es-app/src/components/RatingComponent.h
View file

@ -45,6 +45,7 @@ private:
Renderer::Vertex mVertices[8];
unsigned int mColorShift;
unsigned int mUnfilledColor;
std::shared_ptr<TextureResource> mFilledTexture;
std::shared_ptr<TextureResource> mUnfilledTexture;