mirror of
https://github.com/RetroDECK/ES-DE.git
synced 2024-11-24 07:05:39 +00:00
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
// SPDX-License-Identifier: MIT
|
|
//
|
|
// EmulationStation Desktop Edition
|
|
// NinePatchComponent.h
|
|
//
|
|
// Breaks up an image into 3x3 patches to accomodate resizing without distortions.
|
|
//
|
|
|
|
#ifndef ES_CORE_COMPONENTS_NINE_PATCH_COMPONENT_H
|
|
#define ES_CORE_COMPONENTS_NINE_PATCH_COMPONENT_H
|
|
|
|
#include "renderers/Renderer.h"
|
|
#include "GuiComponent.h"
|
|
|
|
class TextureResource;
|
|
|
|
// Display an image in a way so that edges don't get too distorted no matter the final size.
|
|
// Useful for UI elements like backgrounds, buttons, etc.
|
|
// This is accomplished by splitting an image into 9 pieces:
|
|
// ___________
|
|
// |_1_|_2_|_3_|
|
|
// |_4_|_5_|_6_|
|
|
// |_7_|_8_|_9_|
|
|
//
|
|
// Corners (1, 3, 7, 9) will not be stretched at all.
|
|
// Borders (2, 4, 6, 8) will be stretched along one axis (2 and 8 horizontally, 4 and 6 vertically).
|
|
// The center (5) will be stretched.
|
|
|
|
class NinePatchComponent : public GuiComponent
|
|
{
|
|
public:
|
|
NinePatchComponent(Window* window, const std::string& path = "",
|
|
unsigned int edgeColor = 0xFFFFFFFF, unsigned int centerColor = 0xFFFFFFFF);
|
|
virtual ~NinePatchComponent();
|
|
|
|
void render(const Transform4x4f& parentTrans) override;
|
|
|
|
void onSizeChanged() override;
|
|
|
|
void fitTo(Vector2f size, Vector3f position = Vector3f::Zero(),
|
|
Vector2f padding = Vector2f::Zero());
|
|
|
|
void setImagePath(const std::string& path);
|
|
// Apply a color shift to the "edge" parts of the ninepatch.
|
|
void setEdgeColor(unsigned int edgeColor);
|
|
// Apply a color shift to the "center" part of the ninepatch.
|
|
void setCenterColor(unsigned int centerColor);
|
|
|
|
virtual void applyTheme(const std::shared_ptr<ThemeData>& theme, const std::string& view,
|
|
const std::string& element, unsigned int properties) override;
|
|
|
|
const Vector2f& getCornerSize() const;
|
|
void setCornerSize(int sizeX, int sizeY);
|
|
inline void setCornerSize(const Vector2f& size) { setCornerSize(size.x(), size.y()); }
|
|
|
|
private:
|
|
void buildVertices();
|
|
void updateColors();
|
|
|
|
Renderer::Vertex* mVertices;
|
|
|
|
std::string mPath;
|
|
Vector2f mCornerSize;
|
|
unsigned int mEdgeColor;
|
|
unsigned int mCenterColor;
|
|
std::shared_ptr<TextureResource> mTexture;
|
|
};
|
|
|
|
#endif // ES_CORE_COMPONENTS_NINE_PATCH_COMPONENT_H
|