diff options
Diffstat (limited to 'src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx')
| -rw-r--r-- | src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx b/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx index 66f51456c..a9ecae8e0 100644 --- a/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx +++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx @@ -541,6 +541,25 @@ int Fl_GDI_Printer_Graphics_Driver::draw_scaled(Fl_Image *img, int XP, int YP, i return 1; } +int Fl_GDI_Graphics_Driver::draw_scaled(Fl_Image *img, int XP, int YP, int WP, int HP) { + if (img->d() == 0 || img->count() >= 2) return 0; // for bitmaps and pixmaps + + Fl_RGB_Image *rgb = (Fl_RGB_Image*)img; + if (!rgb->id_) rgb->id_ = (fl_uintptr_t)build_id(rgb, (void**)&(rgb->mask_)); + HDC new_gc = CreateCompatibleDC(gc_); + int save = SaveDC(new_gc); + SelectObject(new_gc, (HBITMAP)rgb->id_); + if ((img->d() % 2) == 0 & can_do_alpha_blending()) { + alpha_blend_(XP, YP, WP, HP, new_gc, 0, 0, rgb->w(), rgb->h()); + } else { + SetStretchBltMode(gc_, HALFTONE); + StretchBlt(gc_, XP, YP, WP, HP, new_gc, 0, 0, rgb->w(), rgb->h(), SRCCOPY); + } + RestoreDC(new_gc, save); + DeleteDC(new_gc); + return 1; +} + void Fl_GDI_Graphics_Driver::uncache(Fl_RGB_Image*, fl_uintptr_t &id_, fl_uintptr_t &mask_) { if (id_) { |