41 lines
963 B
C++
41 lines
963 B
C++
|
#include "ModeSelectorContext.h"
|
||
|
|
#include "ModeSelectorCanvas.h"
|
||
|
|
|
||
|
|
ModeSelectorContext::ModeSelectorContext(ModeSelectorCanvas *canvas, wxGLContext *sharedContext) :
|
||
|
|
PrimaryGLContext(canvas, sharedContext) {
|
||
|
|
glDisable(GL_CULL_FACE);
|
||
|
|
glDisable(GL_DEPTH_TEST);
|
||
|
|
|
||
|
|
glMatrixMode(GL_PROJECTION);
|
||
|
|
glLoadIdentity();
|
||
|
|
}
|
||
|
|
|
||
|
|
void ModeSelectorContext::DrawBegin() {
|
||
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||
|
|
|
||
|
|
glMatrixMode(GL_MODELVIEW);
|
||
|
|
glLoadIdentity();
|
||
|
|
|
||
|
|
glDisable(GL_TEXTURE_2D);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ModeSelectorContext::Draw(float r, float g, float b, float a, float level) {
|
||
|
|
glEnable(GL_BLEND);
|
||
|
|
glBlendFunc(GL_ONE, GL_ONE);
|
||
|
|
glColor4f(r, g, b, a);
|
||
|
|
glBegin(GL_QUADS);
|
||
|
|
glVertex2f(1.0, -1.0 + 2.0 * level);
|
||
|
|
glVertex2f(-1.0, -1.0 + 2.0 * level);
|
||
|
|
glVertex2f(-1.0, -1.0);
|
||
|
|
glVertex2f(1.0, -1.0);
|
||
|
|
glEnd();
|
||
|
|
glDisable(GL_BLEND);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ModeSelectorContext::DrawEnd() {
|
||
|
|
glFlush();
|
||
|
|
|
||
|
|
CheckGLError();
|
||
|
|
}
|
||
|
|
|