Mirrors_UI_SDK/fltk
1
0
Fork 0
mirror of https://github.com/fltk/fltk.git synced 2026-06-06 16:46:52 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Create Fl_Xlib_Graphics_Driver::scale_and_render_pixmap() to draw depth-4 or scaled RGB images using Xrender.

Browse Source 
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12210 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy
2017-03-17 20:16:54 +00:00
parent 54596de1c3
commit b2afa612bf
3 changed files with 43 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
+3 -3
View File
@@ -71,6 +71,9 @@ protected:
static PangoContext *context();
static void init_built_in_fonts();
#endif
#if HAVE_XRENDER
int scale_and_render_pixmap(Fl_Offscreen pixmap, int depth, double scale_x, double scale_y, int srcx, int srcy, int XP, int YP, int WP, int HP);
#endif
protected:
static GC gc_;
uchar **mask_bitmap_;
@@ -124,9 +127,6 @@ public:
int height();
int descent();
void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
#if ! defined(FL_DOXYGEN)
void copy_offscreen_with_alpha(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
#endif
void add_rectangle_to_region(Fl_Region r, int x, int y, int w, int h);
Fl_Region XRectangleRegion(int x, int y, int w, int h);
void XDestroyRegion(Fl_Region r);
src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx
-31
View File
@@ -82,37 +82,6 @@ void Fl_Xlib_Graphics_Driver::copy_offscreen(int x, int y, int w, int h, Fl_Offs
XCopyArea(fl_display, pixmap, fl_window, gc_, srcx, srcy, w, h, x+offset_x_, y+offset_y_);
}
#ifndef FL_DOXYGEN
void Fl_Xlib_Graphics_Driver::copy_offscreen_with_alpha(int x, int y, int w, int h,
Fl_Offscreen pixmap, int srcx, int srcy) {
#if HAVE_XRENDER
XRenderPictureAttributes srcattr;
memset(&srcattr, 0, sizeof(XRenderPictureAttributes));
static XRenderPictFormat *srcfmt = XRenderFindStandardFormat(fl_display, PictStandardARGB32);
static XRenderPictFormat *dstfmt = XRenderFindStandardFormat(fl_display, PictStandardRGB24);
Picture src = XRenderCreatePicture(fl_display, pixmap, srcfmt, 0, &srcattr);
Picture dst = XRenderCreatePicture(fl_display, fl_window, dstfmt, 0, &srcattr);
if (!src || !dst) {
fprintf(stderr, "Failed to create Render pictures (%lu %lu)\n", src, dst);
return;
}
const Fl_Region clipr = fl_clip_region();
if (clipr)
XRenderSetPictureClipRegion(fl_display, dst, clipr);
XRenderComposite(fl_display, PictOpOver, src, None, dst, srcx, srcy, 0, 0,
x+offset_x_, y+offset_y_, w, h);
XRenderFreePicture(fl_display, src);
XRenderFreePicture(fl_display, dst);
#endif
}
#endif
void Fl_Xlib_Graphics_Driver::add_rectangle_to_region(Fl_Region r, int X, int Y, int W, int H) {
XRectangle R;
R.x = X; R.y = Y; R.width = W; R.height = H;
src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
+40 -29
View File
@@ -731,10 +731,13 @@ void Fl_Xlib_Graphics_Driver::draw(Fl_RGB_Image *img, int XP, int YP, int WP, in
*Fl_Graphics_Driver::id(img) = cache_rgb(img);
}
if (*Fl_Graphics_Driver::id(img)) {
if (img->d() == 4 || img->d() == 2)
copy_offscreen_with_alpha(X - offset_x_, Y - offset_y_, W, H, *Fl_Graphics_Driver::id(img), cx, cy);
else
if (img->d() == 4 || img->d() == 2) {
#if HAVE_XRENDER
scale_and_render_pixmap(*Fl_Graphics_Driver::id(img), 4, 1, 1, cx, cy, X - offset_x_, Y - offset_y_, W, H);
#endif
} else {
copy_offscreen(X - offset_x_, Y - offset_y_, W, H, *Fl_Graphics_Driver::id(img), cx, cy);
}
} else {
// Composite image with alpha manually each time...
alpha_blend(img, X, Y, W, H, cx, cy);
@@ -810,39 +813,47 @@ fl_uintptr_t Fl_Xlib_Graphics_Driver::cache(Fl_Pixmap *img, int w, int h, const
#if HAVE_XRENDER
int Fl_Xlib_Graphics_Driver::scale_and_render_pixmap(Fl_Offscreen pixmap, int depth, double scale_x, double scale_y, int srcx, int srcy, int XP, int YP, int WP, int HP) {
XRenderPictureAttributes srcattr;
memset(&srcattr, 0, sizeof(XRenderPictureAttributes));
static XRenderPictFormat *fmt32 = XRenderFindStandardFormat(fl_display, PictStandardARGB32);
static XRenderPictFormat *fmt24 = XRenderFindStandardFormat(fl_display, PictStandardRGB24);
Picture src = XRenderCreatePicture(fl_display, pixmap,
depth%2 == 0 ?fmt32:fmt24, 0, &srcattr);
Picture dst = XRenderCreatePicture(fl_display, fl_window, fmt24, 0, &srcattr);
if (!src || !dst) {
fprintf(stderr, "Failed to create Render pictures (%lu %lu)\n", src, dst);
return 0;
}
const Fl_Region clipr = clip_region();
if (clipr)
XRenderSetPictureClipRegion(fl_display, dst, clipr);
if (scale_x != 1 || scale_y != 1) {
XTransform mat = {{
{ XDoubleToFixed( scale_x ), XDoubleToFixed( 0 ), XDoubleToFixed( 0 ) },
{ XDoubleToFixed( 0 ), XDoubleToFixed( scale_y ), XDoubleToFixed( 0 ) },
{ XDoubleToFixed( 0 ), XDoubleToFixed( 0 ), XDoubleToFixed( 1 ) }
}};
XRenderSetPictureTransform(fl_display, src, &mat);
}
XRenderComposite(fl_display, (depth%2 == 0 ? PictOpOver : PictOpSrc), src, None, dst, srcx, srcy, 0, 0,
XP + offset_x_, YP + offset_y_, WP, HP);
XRenderFreePicture(fl_display, src);
XRenderFreePicture(fl_display, dst);
return 1;
}
int Fl_Xlib_Graphics_Driver::draw_scaled(Fl_Image *img, int XP, int YP, int WP, int HP) {
Fl_RGB_Image *rgb = img->as_rgb_image();
if (!rgb || !can_do_alpha_blending()) return 0;
if (!*Fl_Graphics_Driver::id(rgb)) {
*Fl_Graphics_Driver::id(rgb) = cache_rgb(rgb);
}
XRenderPictureAttributes srcattr;
memset(&srcattr, 0, sizeof(XRenderPictureAttributes));
static XRenderPictFormat *fmt32 = XRenderFindStandardFormat(fl_display, PictStandardARGB32);
static XRenderPictFormat *fmt24 = XRenderFindStandardFormat(fl_display, PictStandardRGB24);
Picture src = XRenderCreatePicture(fl_display, *Fl_Graphics_Driver::id(rgb),
rgb->d()%2 == 0 ?fmt32:fmt24, 0, &srcattr);
Picture dst = XRenderCreatePicture(fl_display, fl_window, fmt24, 0, &srcattr);
if (!src || !dst) {
fprintf(stderr, "Failed to create Render pictures (%lu %lu)\n", src, dst);
return 0;
}
const Fl_Region clipr = fl_clip_region();
if (clipr)
XRenderSetPictureClipRegion(fl_display, dst, clipr);
XTransform mat = {{
{ XDoubleToFixed( rgb->w()/double(WP) ), XDoubleToFixed( 0 ), XDoubleToFixed( 0 ) },
{ XDoubleToFixed( 0 ), XDoubleToFixed( rgb->h()/double(HP) ), XDoubleToFixed( 0 ) },
{ XDoubleToFixed( 0 ), XDoubleToFixed( 0 ), XDoubleToFixed( 1 ) }
}};
XRenderSetPictureTransform(fl_display, src, &mat);
XRenderComposite(fl_display, rgb->d()%2==0 ? PictOpOver: PictOpSrc, src, None, dst, 0, 0, 0, 0,
XP + offset_x_, YP + offset_y_, WP, HP);
XRenderFreePicture(fl_display, src);
XRenderFreePicture(fl_display, dst);
return 1;
return scale_and_render_pixmap(*Fl_Graphics_Driver::id(rgb), rgb->d(), rgb->w()/double(WP), rgb->h()/double(HP),
0, 0, XP, YP, WP, HP);
}
#endif
#endif // HAVE_XRENDER
//