Mercurial > fife-parpg
diff engine/core/video/opengl/renderbackendopengl.cpp @ 583:47b49b9b0c0a
* Improved the floatingtextrenderer. Now you can set an alpha value for font, background quad and border. Splited quad and border into own commands.
* Added a triangle function to backends and genericrenderer, also added the functions to set an alpha value for geometric figures.
| author | helios2000@33b003aa-7bff-0310-803a-e67f0ece8222 |
|---|---|
| date | Sat, 07 Aug 2010 16:36:35 +0000 |
| parents | b2feacaed53c |
| children | 853d25234671 |
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--- a/engine/core/video/opengl/renderbackendopengl.cpp Tue Aug 03 13:57:12 2010 +0000 +++ b/engine/core/video/opengl/renderbackendopengl.cpp Sat Aug 07 16:36:35 2010 +0000 @@ -183,19 +183,22 @@ m_clear = clear; } - bool RenderBackendOpenGL::putPixel(int x, int y, int r, int g, int b) { + bool RenderBackendOpenGL::putPixel(int x, int y, int r, int g, int b, int a) { if ((x < 0) || (x >= (int)getWidth()) || (y < 0) || (y >= (int)getHeight())) { return false; } - glColor3ub(r, g, b); + + glColor4ub(r, g, b, a); + glBegin(GL_POINTS); glVertex2i(x, y); glEnd(); return true; } - void RenderBackendOpenGL::drawLine(const Point& p1, const Point& p2, int r, int g, int b) { - glColor3ub(r, g, b); + void RenderBackendOpenGL::drawLine(const Point& p1, const Point& p2, int r, int g, int b, int a) { + glColor4ub(r, g, b, a); + glBegin(GL_LINES); glVertex2f(p1.x+0.5f, p1.y+0.5f); glVertex2f(p2.x+0.5f, p2.y+0.5f); @@ -206,8 +209,19 @@ glEnd(); } - void RenderBackendOpenGL::drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b) { - glColor4ub(r, g, b, 165); + void RenderBackendOpenGL::drawTriangle(const Point& p1, const Point& p2, const Point& p3, int r, int g, int b, int a) { + glColor4ub(r, g, b, a); + + glBegin(GL_TRIANGLES); + glVertex2f(p1.x, p1.y); + glVertex2f(p2.x, p2.y); + glVertex2f(p3.x, p3.y); + glEnd(); + } + + void RenderBackendOpenGL::drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b, int a) { + glColor4ub(r, g, b, a); + glBegin(GL_QUADS); glVertex2f(p1.x, p1.y); glVertex2f(p2.x, p2.y); @@ -216,12 +230,13 @@ glEnd(); } - void RenderBackendOpenGL::drawVertex(const Point& p, const uint8_t size, int r, int g, int b){ + void RenderBackendOpenGL::drawVertex(const Point& p, const uint8_t size, int r, int g, int b, int a){ GLfloat width; glGetFloatv(GL_LINE_WIDTH, &width); glLineWidth(1.0); - glColor3ub(r, g, b); + glColor4ub(r, g, b, a); + glBegin(GL_LINE_LOOP); glVertex2f(p.x-size, p.y+size); glVertex2f(p.x+size, p.y+size);