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magic
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Remote changes at Fri Aug 11 15:18:32 EDT 2017 by chuan on vivaldi

This commit is contained in:
Chuan Chen 2017-08-11 15:18:32 -04:00
parent 2fd19426d9
commit 9e183c63f4
1 changed files with 16 additions and 3 deletions
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19
graphics/grTCairo1.c
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@ -213,6 +213,8 @@ int style; /* New stipple pattern for lines. */
*---------------------------------------------------------
*/
cairo_surface_t *stippleSurfaces;
void
grtoglSetSPattern (sttable, numstipples)
int **sttable; /* The table of patterns */
@ -221,6 +223,8 @@ int numstipples; /* Number of stipples */
int i, j, k, n;
GLubyte *pdata;
stippleSurfaces = malloc(sizeof(cairo_surface_t) * numstipples);
grTOGLStipples = (GLubyte **)mallocMagic(numstipples * sizeof(GLubyte *));
for (k = 0; k < numstipples; k++)
{
@ -234,6 +238,8 @@ int numstipples; /* Number of stipples */
pdata[n++] = (GLubyte)sttable[k][i % 8];
grTOGLStipples[k] = pdata;
stippleSurfaces[k] = cairo_image_surface_create_for_data(pdata, CAIRO_FORMAT_A1, 32, 32,
cairo_format_stride_for_width(CAIRO_FORMAT_A1, 32));
}
}
@ -259,12 +265,19 @@ int stipple; /* The stipple number to be used. */
oldStip = stipple;
GR_TOGL_FLUSH_BATCH();
if (stipple == 0 || stipple > grNumStipples) {
glDisable(GL_POLYGON_STIPPLE);
//glDisable(GL_POLYGON_STIPPLE);
cairo_set_source_rgb(grCairoContext, 0, 0, 0);
} else {
if (grTOGLStipples[stipple] == (GLubyte *)NULL) MainExit(1);
glEnable(GL_POLYGON_STIPPLE);
glPolygonStipple(grTOGLStipples[stipple]);
//glEnable(GL_POLYGON_STIPPLE);
//glPolygonStipple(grTOGLStipples[stipple]);
cairo_pattern_set_extend(stippleSurfaces[stipple], CAIRO_EXTEND_REPEAT);
cairo_pattern_set_filter(stippleSurfaces[stipple], CAIRO_FILTER_NEAREST);
cairo_set_source(grCairoContext, stippleSurfaces[stipple]);
cairo_mask_surface(grCairoContext, stippleSurfaces[stipple], 0.0, 0.0)
}
}