diff options
| author | Derek Foreman <manmower@gmail.com> | 2003-05-25 02:46:35 +0000 |
|---|---|---|
| committer | Derek Foreman <manmower@gmail.com> | 2003-05-25 02:46:35 +0000 |
| commit | d6652d0a90bd6c93084b0b9e6cf36123e0ec15d1 (patch) | |
| tree | 6ca705e1c07094a68174a94ebf880a77cbc28394 /render/gradient.c | |
| parent | 10e2807d066daa625318870686b4c88be8521aab (diff) | |
rectangle and diagonal grads yay
gl > *
Diffstat (limited to 'render/gradient.c')
| -rw-r--r-- | render/gradient.c | 72 |
1 files changed, 66 insertions, 6 deletions
diff --git a/render/gradient.c b/render/gradient.c index 3a963406..aedd3bbe 100644 --- a/render/gradient.c +++ b/render/gradient.c @@ -529,6 +529,7 @@ void render_gl_gradient(Surface *sf, int x, int y, int w, int h) { float pr,pg,pb; float sr, sg, sb; + float ar, ag, ab; pr = (float)sf->data.planar.primary->r/255.0; pg = (float)sf->data.planar.primary->g/255.0; @@ -551,7 +552,7 @@ void render_gl_gradient(Surface *sf, int x, int y, int w, int h) glVertex3i(x, y, 0); glEnd(); return; - case Background_Vertical: + case Background_Horizontal: glBegin(GL_TRIANGLES); glColor3f(pr, pg, pb); glVertex3i(x, y, 0); @@ -565,7 +566,7 @@ void render_gl_gradient(Surface *sf, int x, int y, int w, int h) glVertex3i(x, y, 0); glEnd(); break; - case Background_Horizontal: + case Background_Vertical: glBegin(GL_TRIANGLES); glColor3f(pr, pg, pb); glVertex3i(x, y, 0); @@ -580,19 +581,78 @@ void render_gl_gradient(Surface *sf, int x, int y, int w, int h) glEnd(); break; case Background_Diagonal: -printf("diagonal\n"); + ar = (pr + sr) / 2.0; + ag = (pg + sg) / 2.0; + ab = (pb + sb) / 2.0; + glBegin(GL_TRIANGLES); + glColor3f(ar, ag, ab); + glVertex3i(x, y, 0); + glColor3f(pr, pg, pb); + glVertex3i(x+w, y, 0); + glColor3f(ar, ag, ab); + glVertex3i(x+w, y+h, 0); + + glColor3f(ar, ag, ab); + glVertex3i(x+w, y+h, 0); + glColor3f(sr, sg, sb); + glVertex3i(x, y+h, 0); + glColor3f(ar, ag, ab); + glVertex3i(x, y, 0); + glEnd(); break; case Background_CrossDiagonal: -printf("crossdiagonal\n"); + ar = (pr + sr) / 2.0; + ag = (pg + sg) / 2.0; + ab = (pb + sb) / 2.0; + glBegin(GL_TRIANGLES); + glColor3f(pr, pg, pb); + glVertex3i(x, y, 0); + glColor3f(ar, ag, ab); + glVertex3i(x+w, y, 0); + glColor3f(sr, sg, sb); + glVertex3i(x+w, y+h, 0); + + glColor3f(sr, sg, sb); + glVertex3i(x+w, y+h, 0); + glColor3f(ar, ag, ab); + glVertex3i(x, y+h, 0); + glColor3f(pr, pg, pb); + glVertex3i(x, y, 0); + glEnd(); break; case Background_Pyramid: printf("pyramid\n"); break; case Background_PipeCross: -printf("pipecross\n"); break; case Background_Rectangle: -printf("rect\n"); + glBegin(GL_TRIANGLES); + glColor3f(pr, pg, pb); + glVertex3i(x, y, 0); + glColor3f(sr, sg, sb); + glVertex3i(x+w/2, y+h/2, 0); + glColor3f(pr, pg, pb); + glVertex3i(x, y+h, 0); + + glVertex3i(x, y+h, 0); + glColor3f(sr, sg, sb); + glVertex3i(x+w/2, y+h/2, 0); + glColor3f(pr, pg, pb); + glVertex3i(x+w, y+h, 0); + + glVertex3i(x+w, y+h, 0); + glColor3f(sr, sg, sb); + glVertex3i(x+w/2, y+h/2, 0); + glColor3f(pr, pg, pb); + glVertex3i(x+w, y, 0); + + glVertex3i(x+w, y, 0); + glColor3f(sr, sg, sb); + glVertex3i(x+w/2, y+h/2, 0); + glColor3f(pr, pg, pb); + glVertex3i(x, y, 0); + + glEnd(); break; default: g_message("unhandled gradient"); |