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grad fixes from jose 

SVN revision: 31159
This commit is contained in:
Carsten Haitzler 2007-08-04 12:33:12 +00:00
parent 1977933b18
commit 6437f4ed23
1 changed files with 32 additions and 17 deletions
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49
legacy/evas/src/modules/engines/gl_common/evas_gl_gradient.c
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@ -163,15 +163,18 @@ evas_gl_common_gradient_render_post(Evas_GL_Gradient *gr)
}
void
evas_gl_common_gradient_draw(Evas_GL_Context *gc, Evas_GL_Gradient *gr, int x, int y, int w, int h)
evas_gl_common_gradient_draw(Evas_GL_Context *gc,
Evas_GL_Gradient *gr,
int x, int y, int w, int h)
{
int r, g, b, a;
RGBA_Draw_Context *dc;
double tx2, ty2;
if ((w < 1) || (h < 1)) return;
if (!gr || !gc || !gc->dc) return;
if (!gr->grad || !gr->grad->type.geometer) return;
dc = gc->dc;
if (dc->mul.use)
{
@ -185,10 +188,10 @@ evas_gl_common_gradient_draw(Evas_GL_Context *gc, Evas_GL_Gradient *gr, int x, i
r = g = b = a = 255;
}
evas_gl_common_context_color_set(gc, r, g, b, a);
a = !evas_gl_common_gradient_is_opaque(gc, gr, x, y, w, h);
evas_gl_common_context_blend_set(gc, a);
if (dc->clip.use)
evas_gl_common_context_clip_set(gc, 1,
dc->clip.x, dc->clip.y,
@ -196,7 +199,7 @@ evas_gl_common_gradient_draw(Evas_GL_Context *gc, Evas_GL_Gradient *gr, int x, i
else
evas_gl_common_context_clip_set(gc, 0,
0, 0, 0, 0);
if (!gr->tex) gr->changed = 1;
if (((w != gr->tw) || (h != gr->th)) && gr->tex)
{
@ -208,33 +211,45 @@ evas_gl_common_gradient_draw(Evas_GL_Context *gc, Evas_GL_Gradient *gr, int x, i
{
RGBA_Image *im;
int op = dc->render_op, cuse = dc->clip.use;
im = evas_common_image_create(w, h);
if (!im) return;
dc->render_op = _EVAS_RENDER_FILL;
dc->clip.use = 0;
evas_common_gradient_draw(im, dc, 0, 0, w, h, gr->grad);
if (!gr->tex)
gr->tex = evas_gl_common_texture_new(gc, im, 0);
gr->tex = evas_gl_common_texture_new(gc, im, 0);
else
evas_gl_common_texture_update(gr->tex, im, 0);
evas_gl_common_texture_update(gr->tex, im, 0);
evas_common_image_delete(im);
dc->render_op = op;
dc->clip.use = cuse;
if (!gr->tex) return;
}
evas_gl_common_context_texture_set(gc, gr->tex, 0, w, h);
if (gr->tex->rectangle)
{
tx2 = w;
ty2 = h;
}
else
{
tx2 = (double)w / (double)(gr->tex->w);
ty2 = (double)h / (double)(gr->tex->h);
}
evas_gl_common_context_texture_set(gc, gr->tex, 0,
gr->tex->tw, gr->tex->th);
evas_gl_common_context_read_buf_set(gc, GL_BACK);
evas_gl_common_context_write_buf_set(gc, GL_BACK);
glBegin(GL_QUADS);
glTexCoord2d(0.0, 0.0); glVertex2i(x, y);
glTexCoord2d(1.0, 0.0); glVertex2i(x + w, y);
glTexCoord2d(1.0, 1.0); glVertex2i(x + w, y + h);
glTexCoord2d(0.0, 1.0); glVertex2i(x, y + h);
glTexCoord2d(tx2, 0.0); glVertex2i(x + w, y);
glTexCoord2d(tx2, ty2); glVertex2i(x + w, y + h);
glTexCoord2d(0.0, ty2); glVertex2i(x, y + h);
glEnd();
gr->changed = 0;
gr->tw = w; gr->th = h;