From 86e60e906893a485952e20e04ef429082f99be80 Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Fri, 25 Aug 2017 17:42:46 +0000
Subject: X11 and WIN32: slightly change
 Fl_XXX_Graphics_Driver::cache(Fl_Pixmap*) to use the Fl_Image_Surface object.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12399 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Graphics_Driver.cxx                         |  2 --
 src/drivers/GDI/Fl_GDI_Graphics_Driver.H           |  1 +
 src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx   | 15 ++++++++++-----
 src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H         |  1 +
 src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx | 17 +++++++++++------
 5 files changed, 23 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/Fl_Graphics_Driver.cxx b/src/Fl_Graphics_Driver.cxx
index 288545553..f5da1b4a8 100644
--- a/src/Fl_Graphics_Driver.cxx
+++ b/src/Fl_Graphics_Driver.cxx
@@ -289,9 +289,7 @@ void Fl_Scalable_Graphics_Driver::draw(Fl_Pixmap *pxm, int XP, int YP, int WP, i
       int w2=pxm->w(), h2=pxm->h();
       cache_size(pxm, w2, h2);
       Fl_Pixmap *pxm2 = (Fl_Pixmap*)pxm->copy(w2, h2);
-      float s = scale_; scale_ = 1;
       *id(pxm) = cache(pxm2, pxm2->w(), pxm2->h(), pxm2->data());
-      scale_ = s;
       *cache_scale(pxm) = scale_;
       *mask(pxm) = *mask(pxm2);
       *mask(pxm2) = 0;
diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver.H b/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
index 82ff10739..897f66ffa 100644
--- a/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
@@ -72,6 +72,7 @@ public:
   virtual void draw_image_mono_unscaled(const uchar* buf, int X,int Y,int W,int H, int D=1, int L=0);
   virtual void draw_image_mono_unscaled(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1);
   fl_uintptr_t cache(Fl_Pixmap *img, int w, int h, const char *const*array);
+  virtual void uncache_pixmap(fl_uintptr_t p);
   fl_uintptr_t cache(Fl_Bitmap *img, int w, int h, const uchar *array);
   void uncache(Fl_RGB_Image *img, fl_uintptr_t &id_, fl_uintptr_t &mask_);
   virtual double width_unscaled(const char *str, int n);
diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx b/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
index 4749ad14a..350381d9e 100644
--- a/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
@@ -644,9 +644,8 @@ void Fl_GDI_Printer_Graphics_Driver::draw_unscaled(Fl_Pixmap *pxm, float s, int
 
 
 fl_uintptr_t Fl_GDI_Graphics_Driver::cache(Fl_Pixmap *img, int w, int h, const char *const*data) {
-  Fl_Offscreen id;
-  id = fl_create_offscreen(w, h);
-  fl_begin_offscreen(id);
+  Fl_Image_Surface *surf = new Fl_Image_Surface(w, h);
+  Fl_Surface_Device::push_current(surf);
   uchar *bitmap = 0;
   Fl_Surface_Device::surface()->driver()->mask_bitmap(&bitmap);
   fl_draw_pixmap(data, 0, 0, FL_BLACK);
@@ -656,11 +655,17 @@ fl_uintptr_t Fl_GDI_Graphics_Driver::cache(Fl_Pixmap *img, int w, int h, const c
     *Fl_Graphics_Driver::mask(img) = (fl_uintptr_t)fl_create_bitmask(w, h, bitmap);
     delete[] bitmap;
   }
-  fl_end_offscreen();
-  *cache_scale(img) =  Fl_Scalable_Graphics_Driver::scale();
+  Fl_Surface_Device::pop_current();
+  Fl_Offscreen id = surf->get_offscreen_before_delete();
+  delete surf;
+  *cache_scale(img) =  1;
   return (fl_uintptr_t)id;
 }
 
+void Fl_GDI_Graphics_Driver::uncache_pixmap(fl_uintptr_t offscreen) {
+  DeleteObject((Fl_Offscreen)offscreen);
+}
+
 //
 // End of "$Id$".
 //
diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
index ccfa7dc48..473da8333 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
@@ -122,6 +122,7 @@ public:
   virtual void rtl_draw_unscaled(const char* str, int n, int x, int y);
   virtual void font_unscaled(Fl_Font face, Fl_Fontsize size);
   fl_uintptr_t cache(Fl_Pixmap *img, int w, int h, const char *const*array);
+  virtual void uncache_pixmap(fl_uintptr_t p);
   fl_uintptr_t cache(Fl_Bitmap *img, int w, int h, const uchar *array);
   void uncache(Fl_RGB_Image *img, fl_uintptr_t &id_, fl_uintptr_t &mask_);
   virtual double width_unscaled(const char *str, int n);
diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
index c7b298493..c888f4608 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
@@ -813,22 +813,27 @@ void Fl_Xlib_Graphics_Driver::draw_unscaled(Fl_Pixmap *pxm, float s, int X, int
 
 
 fl_uintptr_t Fl_Xlib_Graphics_Driver::cache(Fl_Pixmap *pxm, int w, int h, const char *const*data) {
-  Fl_Offscreen id;
-  id = fl_create_offscreen(w, h);
-  fl_begin_offscreen(id);
+  Fl_Image_Surface *surf = new Fl_Image_Surface(w, h);
+  Fl_Surface_Device::push_current(surf);
   uchar *bitmap = 0;
   Fl_Surface_Device::surface()->driver()->mask_bitmap(&bitmap);
   fl_draw_pixmap(data, 0, 0, FL_BLACK);
   Fl_Surface_Device::surface()->driver()->mask_bitmap(0);
   if (bitmap) {
-    *Fl_Graphics_Driver::mask(pxm) = (fl_uintptr_t)create_bitmask(w * scale_, h * scale_, bitmap);
+    *Fl_Graphics_Driver::mask(pxm) = (fl_uintptr_t)create_bitmask(w, h, bitmap);
     delete[] bitmap;
   }
-  fl_end_offscreen();
-  *cache_scale(pxm) =  Fl_Scalable_Graphics_Driver::scale();
+  Fl_Surface_Device::pop_current();
+  Fl_Offscreen id = surf->get_offscreen_before_delete();
+  delete surf;
+  *cache_scale(pxm) =  1;
   return (fl_uintptr_t)id;
 }
 
+void Fl_Xlib_Graphics_Driver::uncache_pixmap(fl_uintptr_t offscreen) {
+  XFreePixmap(fl_display, (Fl_Offscreen)offscreen);
+}
+
 
 #if HAVE_XRENDER
 /* Draws with Xrender an Fl_Offscreen with optional scaling and accounting for transparency if necessary.
-- 
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