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-rw-r--r--src/libjin/Graphics/Canvas.cpp102
1 files changed, 0 insertions, 102 deletions
diff --git a/src/libjin/Graphics/Canvas.cpp b/src/libjin/Graphics/Canvas.cpp
deleted file mode 100644
index f222721..0000000
--- a/src/libjin/Graphics/Canvas.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-#include "../configuration.h"
-#if LIBJIN_MODULES_RENDER
-
-#include "../utils/macros.h"
-#include "canvas.h"
-#include "window.h"
-
-namespace jin
-{
- namespace graphics
- {
-
- /*class member*/ const Canvas* Canvas::current = nullptr;
- /*class member*/ const Canvas* const Canvas::DEFAULT_CANVAS = new Canvas(0);
-
- /*class member*/ Canvas* Canvas::createCanvas(int w, int h)
- {
- return new Canvas(w, h);
- }
-
- Canvas::Canvas(GLuint n)
- : fbo(n)
- {
- }
-
- Canvas::Canvas(int w, int h)
- : Drawable(w, h)
- {
- GLint current_fbo;
- glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &current_fbo);
-
- // generate a new render buffer object
- fbo = gl.genFrameBuffer();
- gl.bindFrameBuffer(fbo);
-
- // generate texture save target
- texture = gl.genTexture();
- gl.bindTexture(texture);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- gl.texImage(GL_RGBA8, w, h, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- gl.bindTexture(0);
- glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0);
-
- GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
-
- /* unbind framebuffer */
- gl.bindFrameBuffer(current_fbo);
- }
-
- Canvas::~Canvas()
- {
- }
-
- /*class member*/ bool Canvas::isBinded(const Canvas* cvs)
- {
- return current == cvs;
- }
-
- /**
- * bind to canvas
- */
- /*class member*/ void Canvas::bind(Canvas* canvas)
- {
- if (isBinded(canvas)) return;
- current = canvas;
- gl.bindFrameBuffer(canvas->fbo);
- int w = canvas->size.w;
- int h = canvas->size.h;
- /* set view port to canvas */
- glViewport(0, 0, w, h);
- gl.ProjectionMatrix.setOrtho(0, w, 0, h, -1, 1);
- }
-
- /**
- * bind to default screen render buffer.
- * do some coordinates transform work
- * https://blog.csdn.net/liji_digital/article/details/79370841
- * https://blog.csdn.net/lyx2007825/article/details/8792475
- */
- /*class member*/ void Canvas::unbind()
- {
- if (isBinded(DEFAULT_CANVAS)) return;
- current = DEFAULT_CANVAS;
- /* get window size as viewport */
- Window* wnd = Window::get();
- int w = wnd->getW();
- int h = wnd->getH();
-
- glBindFramebuffer(GL_FRAMEBUFFER, DEFAULT_CANVAS->fbo);
-
- /* set viewport on screen */
- glViewport(0, 0, w, h);
-
- gl.ProjectionMatrix.setOrtho(0, w, h, 0, -1, 1);
-
- }
-
- } // namespace graphics
-} // namespace jin
-
-#endif // LIBJIN_MODULES_RENDER \ No newline at end of file