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Slightly simpler Fl_Wayland_Graphics_Driver::copy_offscreen()

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This commit is contained in:
ManoloFLTK 2023-04-23 09:37:36 +02:00
parent 544ab551e1
commit 897a6910b6
1 changed files with 1 additions and 3 deletions
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4
src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
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@ -186,14 +186,13 @@ void Fl_Wayland_Graphics_Driver::set_buffer(struct fl_wld_buffer *buffer, float
void Fl_Wayland_Graphics_Driver::copy_offscreen(int x, int y, int w, int h, Fl_Offscreen src, int srcx, int srcy) {
// draw portion srcx,srcy,w,h of osrc to position x,y (top-left) of the graphics driver's surface
struct fl_wld_buffer *osrc = (struct fl_wld_buffer *)src;
int height = osrc->data_size / osrc->stride;
cairo_matrix_t matrix;
cairo_get_matrix(cairo_, &matrix);
double s = matrix.xx;
cairo_save(cairo_);
cairo_rectangle(cairo_, x, y, w, h);
cairo_clip(cairo_);
cairo_surface_t *surf = cairo_image_surface_create_for_data(osrc->draw_buffer, Fl_Cairo_Graphics_Driver::cairo_format, osrc->width, height, osrc->stride);
cairo_surface_t *surf = cairo_get_target(osrc->cairo_);
cairo_pattern_t *pat = cairo_pattern_create_for_surface(surf);
cairo_set_source(cairo_, pat);
cairo_matrix_init_scale(&matrix, s, s);
@ -201,6 +200,5 @@ void Fl_Wayland_Graphics_Driver::copy_offscreen(int x, int y, int w, int h, Fl_O
cairo_pattern_set_matrix(pat, &matrix);
cairo_mask(cairo_, pat);
cairo_pattern_destroy(pat);
cairo_surface_destroy(surf);
cairo_restore(cairo_);
}