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Fix: Changing default color palette affects opengl child drawing on Wayland (#989)

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This commit is contained in:
ManoloFLTK 2024-06-09 20:04:23 +02:00
parent e5693efb75
commit b17357339f
2 changed files with 0 additions and 31 deletions
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2
src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.H
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@ -56,8 +56,6 @@ private:
void redraw_overlay() FL_OVERRIDE;
void gl_start() FL_OVERRIDE;
void gl_visual(Fl_Gl_Choice *c) FL_OVERRIDE;
char *alpha_mask_for_string(
const char *str, int n, int w, int h, Fl_Fontsize fs) FL_OVERRIDE;
void init();
public:
//virtual bool need_scissor() { return true; } // CONTROL_LEAKING_SUB_GL_WINDOWS

29
src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
View File

@ -107,35 +107,6 @@ void Fl_Wayland_Gl_Window_Driver::init() {
}
char *Fl_Wayland_Gl_Window_Driver::alpha_mask_for_string(const char *str, int n,
int w, int h, Fl_Fontsize fs)
{
// write str to a bitmap just big enough
Fl_Image_Surface *surf = new Fl_Image_Surface(w, h);
Fl_Font f = fl_font();
Fl_Surface_Device::push_current(surf);
fl_color(FL_BLACK);
fl_rectf(0, 0, w, h);
fl_color(FL_WHITE);
fl_font(f, fs);
fl_draw(str, n, 0, fl_height() - fl_descent());
// get the R channel only of the bitmap
char *alpha_buf = new char[w*h], *r = alpha_buf;
struct Fl_Wayland_Graphics_Driver::draw_buffer *off =
Fl_Wayland_Graphics_Driver::offscreen_buffer(surf->offscreen());
for (int i = 0; i < h; i++) {
uchar *q = off->buffer + i * off->stride;
for (int j = 0; j < w; j++) {
*r++ = *q;
q += 4;
}
}
Fl_Surface_Device::pop_current();
delete surf;
return alpha_buf;
}
Fl_Gl_Choice *Fl_Wayland_Gl_Window_Driver::find(int m, const int *alistp)
{
m |= FL_DOUBLE;