Catcrafts/Crafter.Graphics
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integer math

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This commit is contained in:
Jorijn van der Graaf 2025-11-23 04:04:53 +01:00
commit 5ff43e240c
27 changed files with 922 additions and 1011 deletions
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2
examples/HelloDrawing/main.cpp
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@ -6,7 +6,7 @@ int main() {
constexpr std::uint_fast32_t width = 1280;
constexpr std::uint_fast32_t height = 720;
Window<true, false, false, false> window(width, height);
WindowWayland window(width, height, "Hello Drawing!");
for(std::uint_fast32_t x = 0; x < width; x++) {
for(std::uint_fast32_t y = 0; y < height; y++) {

4
examples/HelloInput/README.md
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@ -24,8 +24,8 @@ Make sure that the window has focus.
## Highlighted Code Snippet
```cpp
EventListener<MousePoint> clickListener(&window.onMouseLeftClick, [](MousePoint point){
std::cout << std::format("Clicked on X:{} Y:{}!", point.x, point.y);
EventListener<MousePoint> clickListener(&window.onMouseLeftClick, [&window](MousePoint point){
std::cout << std::format("Clicked on X:{} Y:{}!", MappedToPixel(point.x, window.width), MappedToPixel(point.y, window.height));
});
EventListener<void> keyAListener(&window.onKeyDown['a'], [](){

10
examples/HelloInput/main.cpp
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@ -4,15 +4,13 @@ import std;
using namespace Crafter;
int main() {
// Create a Wayland window named "HelloWindow" with resolution 1280x720
// (window creation explained in HelloWindow example)
Window window("HelloWindow", 1280, 720);
WindowWayland window(1280, 720, "Hello Input!");
// Listen for left mouse click events on the window
// The callback receives the MousePoint struct containing the click coordinates in float pixels from the top left corner
EventListener<MousePoint> clickListener(&window.onMouseLeftClick, [](MousePoint point){
EventListener<MousePoint> clickListener(&window.onMouseLeftClick, [&window](MousePoint point){
// Print the coordinates where the user clicked
std::cout << std::format("Clicked on X:{} Y:{}!", point.x, point.y) << std::endl;
std::cout << std::format("Clicked on X:{} Y:{}!", MappedToPixel(point.x, window.width), MappedToPixel(point.y, window.height)) << std::endl;
});
// Listen specifically for the 'a' key being pressed down
@ -29,6 +27,6 @@ int main() {
std::cout << std::format("Pressed the {} key!", key) << std::endl;
});
// Start the window event loop, unless the window is started events will not trigger.
//Start the window event loop, unless the window is started events will not trigger.
window.StartSync();
}

32
examples/HelloUI/main.cpp
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@ -4,27 +4,31 @@ import std;
using namespace Crafter;
int main() {
Window<true, false, false, false> window(1280, 720);
WindowWayland window(1280, 720, "Hello Input!");
UiElement<true, true>& element = window.CreateElement<true, true>(
UiElementBufferMouseBuffer* element = new UiElementBufferMouseBuffer(
2, //bufferWidth: the width of this elements pixel buffer
1, //bufferHeight: the height of this elements pixel buffer
0.5, //anchorX: relative position where this elements x anchor (top-left) is placed to its parent x anchor
0.5, //anchorY: relative position where this elements y anchor (top-left) is placed to its parent y anchor
0.5f, //relativeSizeX: the relative x size this element should be scaled to compared to its parent
0.5f, //relativeSizeY: the relative y size this element should be scaled to compared to its parent
0.5, //anchorOffsetX: the amount this element's anchor should be offset from the top left corner (0.5 to in the middle)
0.5, //anchorOffsetY: the amount this element's anchor should be offset from the top left corner (0.5 to place it in the middle)
FractionalToMapped(0.5), //anchorX: relative position where this elements x anchor (top-left) is placed to its parent x anchor
FractionalToMapped(0.5), //anchorY: relative position where this elements y anchor (top-left) is placed to its parent y anchor
FractionalToMapped(0.5), //relativeSizeX: the relative x size this element should be scaled to compared to its parent
FractionalToMapped(0.5), //relativeSizeY: the relative y size this element should be scaled to compared to its parent
FractionalToMapped(0.5), //anchorOffsetX: the amount this element's anchor should be offset from the top left corner (0.5 to in the middle)
FractionalToMapped(0.5), //anchorOffsetY: the amount this element's anchor should be offset from the top left corner (0.5 to place it in the middle)
0, //z: this elements Z position
false //ignoreScaling: wether this element ignores the scaling of the window, if true its size will be scaled according to the window scale
);
// EventListener<MousePoint> clickListener(&element.onMouseLeftClick, [](MousePoint point){
// // Print the coordinates where the user clicked relative to the element's top left corner.
// std::cout << std::format("Clicked on X:{} Y:{}!", point.x, point.y) << std::endl;
// });
window.elements.push_back(element);
element.buffer.buffer = {{255, 0, 0 ,255}, {0, 255, 0 ,255}};
window.framebuffer.Render();
element->UpdatePosition(window);
EventListener<MousePoint> clickListener(&element.onMouseLeftClick, [](MousePoint point){
// Print the coordinates where the user clicked relative to the element's top left corner.
std::cout << std::format("Clicked on X:{} Y:{}!", point.x, point.y) << std::endl;
});
element->buffer = {{255, 0, 0 ,255}, {0, 255, 0 ,255}};
window.Render();
window.StartSync();
}

4
examples/HelloWindow/README.md
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@ -11,9 +11,7 @@ A empty window with the title "HelloWindow" shows onscreen.
## Highlighted Code Snippet
```cpp
Window<true, true, false, false> window;
window.framebuffer.Create(1280, 720);
window.title.Set("HelloWindow");
WindowWayland window(1280, 720, "Hello Window!");
window.StartSync();
```

2
examples/HelloWindow/main.cpp
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@ -3,6 +3,6 @@ import std;
using namespace Crafter;
int main() {
Window<true, true, false, false> window(1280, 720, "HelloWindow");
WindowWayland window(1280, 720, "Hello Window!");
window.StartSync();
}