[gimp/goat-invasion: 416/526] app: port GimpPaintCore's paste and replase APIs to GeglBuffer



commit 92b421b3b9ce8ca0ef6719609a0bc1b8b8e17f7c
Author: Michael Natterer <mitch gimp org>
Date:   Tue Apr 3 23:58:56 2012 +0200

    app: port GimpPaintCore's paste and replase APIs to GeglBuffer

 app/paint/gimpbrushcore.c |   32 +++++++----
 app/paint/gimpink.c       |   18 ++----
 app/paint/gimppaintcore.c |  139 +++++++++++++++++++++++++++++++-------------
 app/paint/gimppaintcore.h |    6 +-
 4 files changed, 129 insertions(+), 66 deletions(-)
---
diff --git a/app/paint/gimpbrushcore.c b/app/paint/gimpbrushcore.c
index 07450c4..2197940 100644
--- a/app/paint/gimpbrushcore.c
+++ b/app/paint/gimpbrushcore.c
@@ -935,7 +935,7 @@ gimp_brush_core_paste_canvas (GimpBrushCore            *core,
   if (brush_mask)
     {
       GimpPaintCore *paint_core = GIMP_PAINT_CORE (core);
-      PixelRegion    brush_maskPR;
+      GeglBuffer    *paint_mask;
       gint           x;
       gint           y;
       gint           off_x;
@@ -947,15 +947,20 @@ gimp_brush_core_paste_canvas (GimpBrushCore            *core,
       off_x = (x < 0) ? -x : 0;
       off_y = (y < 0) ? -y : 0;
 
-      pixel_region_init_temp_buf (&brush_maskPR, (TempBuf *) brush_mask,
-                                  off_x, off_y,
-                                  gegl_buffer_get_width  (paint_core->paint_buffer),
-                                  gegl_buffer_get_height (paint_core->paint_buffer));
+      paint_mask = gimp_temp_buf_create_buffer ((TempBuf *) brush_mask,
+                                                babl_format ("Y u8"),
+                                                FALSE);
 
-      gimp_paint_core_paste (paint_core, &brush_maskPR, drawable,
+      gimp_paint_core_paste (paint_core, paint_mask,
+                             GEGL_RECTANGLE (off_x, off_y,
+                                             gegl_buffer_get_width  (paint_core->paint_buffer),
+                                             gegl_buffer_get_height (paint_core->paint_buffer)),
+                             drawable,
                              brush_opacity,
                              image_opacity, paint_mode,
                              mode);
+
+      g_object_unref (paint_mask);
     }
 }
 
@@ -981,7 +986,7 @@ gimp_brush_core_replace_canvas (GimpBrushCore            *core,
   if (brush_mask)
     {
       GimpPaintCore *paint_core = GIMP_PAINT_CORE (core);
-      PixelRegion    brush_maskPR;
+      GeglBuffer    *paint_mask;
       gint           x;
       gint           y;
       gint           off_x;
@@ -993,12 +998,15 @@ gimp_brush_core_replace_canvas (GimpBrushCore            *core,
       off_x = (x < 0) ? -x : 0;
       off_y = (y < 0) ? -y : 0;
 
-      pixel_region_init_temp_buf (&brush_maskPR, (TempBuf *) brush_mask,
-                                  off_x, off_y,
-                                  gegl_buffer_get_width  (paint_core->paint_buffer),
-                                  gegl_buffer_get_height (paint_core->paint_buffer));
+      paint_mask = gimp_temp_buf_create_buffer ((TempBuf *) brush_mask,
+                                                babl_format ("Y u8"),
+                                                FALSE);
 
-      gimp_paint_core_replace (paint_core, &brush_maskPR, drawable,
+      gimp_paint_core_replace (paint_core, paint_mask,
+                               GEGL_RECTANGLE (off_x, off_y,
+                                               gegl_buffer_get_width  (paint_core->paint_buffer),
+                                               gegl_buffer_get_height (paint_core->paint_buffer)),
+                               drawable,
                                brush_opacity,
                                image_opacity,
                                mode);
diff --git a/app/paint/gimpink.c b/app/paint/gimpink.c
index 36c7187..83878ee 100644
--- a/app/paint/gimpink.c
+++ b/app/paint/gimpink.c
@@ -25,7 +25,6 @@
 
 #include "paint-types.h"
 
-#include "base/pixel-region.h"
 #include "base/temp-buf.h"
 
 #include "gegl/gimp-gegl-utils.h"
@@ -272,7 +271,6 @@ gimp_ink_motion (GimpPaintCore    *paint_core,
   gint            paint_buffer_y;
   GimpRGB         foreground;
   GeglColor      *color;
-  PixelRegion     blob_maskPR;
 
   if (! ink->last_blob)
     {
@@ -335,15 +333,13 @@ gimp_ink_motion (GimpPaintCore    *paint_core,
                blob_to_render);
 
   /*  draw the paint_area using the just rendered canvas_buffer as mask */
-  pixel_region_init (&blob_maskPR,
-                     gimp_gegl_buffer_get_tiles (paint_core->canvas_buffer),
-                     paint_core->paint_buffer_x,
-                     paint_core->paint_buffer_y,
-                     gegl_buffer_get_width  (paint_core->paint_buffer),
-                     gegl_buffer_get_height (paint_core->paint_buffer),
-                     FALSE);
-
-  gimp_paint_core_paste (paint_core, &blob_maskPR, drawable,
+  gimp_paint_core_paste (paint_core,
+                         paint_core->canvas_buffer,
+                         GEGL_RECTANGLE (paint_core->paint_buffer_x,
+                                         paint_core->paint_buffer_y,
+                                         gegl_buffer_get_width  (paint_core->paint_buffer),
+                                         gegl_buffer_get_height (paint_core->paint_buffer)),
+                         drawable,
                          GIMP_OPACITY_OPAQUE,
                          gimp_context_get_opacity (context),
                          gimp_context_get_paint_mode (context),
diff --git a/app/paint/gimppaintcore.c b/app/paint/gimppaintcore.c
index 73fc186..cc62d93 100644
--- a/app/paint/gimppaintcore.c
+++ b/app/paint/gimppaintcore.c
@@ -106,13 +106,15 @@ static GimpUndo* gimp_paint_core_real_push_undo      (GimpPaintCore    *core,
                                                       GimpImage        *image,
                                                       const gchar      *undo_desc);
 
-static void      paint_mask_to_canvas_buffer         (GimpPaintCore    *core,
-                                                      PixelRegion      *paint_maskPR,
-                                                      gdouble           paint_opacity);
-static void      paint_mask_to_paint_area            (GimpPaintCore    *core,
-                                                      PixelRegion      *paint_maskPR,
-                                                      gdouble           paint_opacity);
-static void      canvas_buffer_to_paint_area         (GimpPaintCore    *core);
+static void      paint_mask_to_canvas_buffer         (GimpPaintCore       *core,
+                                                      GeglBuffer          *paint_mask,
+                                                      const GeglRectangle *paint_mask_rect,
+                                                      gdouble              paint_opacity);
+static void      paint_mask_to_paint_area            (GimpPaintCore       *core,
+                                                      GeglBuffer          *paint_mask,
+                                                      const GeglRectangle *paint_mask_rect,
+                                                      gdouble              paint_opacity);
+static void      canvas_buffer_to_paint_area         (GimpPaintCore       *core);
 
 
 G_DEFINE_TYPE (GimpPaintCore, gimp_paint_core, GIMP_TYPE_OBJECT)
@@ -710,7 +712,8 @@ gimp_paint_core_get_orig_proj (GimpPaintCore *core)
 
 void
 gimp_paint_core_paste (GimpPaintCore            *core,
-                       PixelRegion              *paint_maskPR,
+                       GeglBuffer               *paint_mask,
+                       const GeglRectangle      *paint_mask_rect,
                        GimpDrawable             *drawable,
                        gdouble                   paint_opacity,
                        gdouble                   image_opacity,
@@ -728,10 +731,10 @@ gimp_paint_core_paste (GimpPaintCore            *core,
       /* Some tools (ink) paint the mask to paint_core->canvas_buffer
        * directly. Don't need to copy it in this case.
        */
-      if (paint_maskPR->tiles !=
-          gimp_gegl_buffer_get_tiles (core->canvas_buffer))
+      if (paint_mask != core->canvas_buffer)
         {
-          paint_mask_to_canvas_buffer (core, paint_maskPR, paint_opacity);
+          paint_mask_to_canvas_buffer (core, paint_mask, paint_mask_rect,
+                                       paint_opacity);
         }
 
       canvas_buffer_to_paint_area (core);
@@ -743,7 +746,8 @@ gimp_paint_core_paste (GimpPaintCore            *core,
    */
   else
     {
-      paint_mask_to_paint_area (core, paint_maskPR, paint_opacity);
+      paint_mask_to_paint_area (core, paint_mask, paint_mask_rect,
+                                paint_opacity);
     }
 
   width  = gegl_buffer_get_width  (core->paint_buffer);
@@ -785,17 +789,20 @@ gimp_paint_core_paste (GimpPaintCore            *core,
  */
 void
 gimp_paint_core_replace (GimpPaintCore            *core,
-                         PixelRegion              *paint_maskPR,
+                         GeglBuffer               *paint_mask,
+                         const GeglRectangle      *paint_mask_rect,
                          GimpDrawable             *drawable,
                          gdouble                   paint_opacity,
                          gdouble                   image_opacity,
                          GimpPaintApplicationMode  mode)
 {
-  gint width, height;
+  PixelRegion paint_maskPR;
+  gint        width, height;
 
   if (! gimp_drawable_has_alpha (drawable))
     {
-      gimp_paint_core_paste (core, paint_maskPR, drawable,
+      gimp_paint_core_paste (core, paint_mask, paint_mask_rect,
+                             drawable,
                              paint_opacity,
                              image_opacity, GIMP_NORMAL_MODE,
                              mode);
@@ -805,29 +812,35 @@ gimp_paint_core_replace (GimpPaintCore            *core,
   width  = gegl_buffer_get_width  (core->paint_buffer);
   height = gegl_buffer_get_height (core->paint_buffer);
 
-  if (mode == GIMP_PAINT_CONSTANT)
-    {
+  if (mode == GIMP_PAINT_CONSTANT &&
+
       /* Some tools (ink) paint the mask to paint_core->canvas_buffer
        * directly. Don't need to copy it in this case.
        */
-      if (paint_maskPR->tiles !=
-          gimp_gegl_buffer_get_tiles (core->canvas_buffer))
-        {
-          /* combine the paint mask and the canvas buffer */
-          paint_mask_to_canvas_buffer (core, paint_maskPR, paint_opacity);
-
-          /* initialize the maskPR from the canvas buffer */
-          pixel_region_init (paint_maskPR,
-                             gimp_gegl_buffer_get_tiles (core->canvas_buffer),
-                             core->paint_buffer_x,
-                             core->paint_buffer_y,
-                             width, height,
-                             FALSE);
-        }
+      paint_mask != core->canvas_buffer)
+    {
+      /* combine the paint mask and the canvas buffer */
+      paint_mask_to_canvas_buffer (core, paint_mask, paint_mask_rect,
+                                   paint_opacity);
+
+      /* initialize the maskPR from the canvas buffer */
+      pixel_region_init (&paint_maskPR,
+                         gimp_gegl_buffer_get_tiles (core->canvas_buffer),
+                         core->paint_buffer_x,
+                         core->paint_buffer_y,
+                         width, height,
+                         FALSE);
     }
   else
     {
-      /* The mask is just the paint_maskPR */
+      /* The mask is just the paint_mask */
+      pixel_region_init (&paint_maskPR,
+                         gimp_gegl_buffer_get_tiles (paint_mask),
+                         paint_mask_rect->x,
+                         paint_mask_rect->y,
+                         paint_mask_rect->width,
+                         paint_mask_rect->height,
+                         FALSE);
     }
 
   /*  apply the paint area to the image  */
@@ -835,7 +848,7 @@ gimp_paint_core_replace (GimpPaintCore            *core,
                                 GEGL_RECTANGLE (0, 0, width, height),
                                 FALSE, NULL,
                                 image_opacity,
-                                paint_maskPR,
+                                &paint_maskPR,
                                 core->paint_buffer_x,
                                 core->paint_buffer_y);
 
@@ -947,11 +960,13 @@ canvas_buffer_to_paint_area (GimpPaintCore *core)
 }
 
 static void
-paint_mask_to_canvas_buffer (GimpPaintCore *core,
-                             PixelRegion   *paint_maskPR,
-                             gdouble        paint_opacity)
+paint_mask_to_canvas_buffer (GimpPaintCore       *core,
+                             GeglBuffer          *paint_mask,
+                             const GeglRectangle *paint_mask_rect,
+                             gdouble              paint_opacity)
 {
   PixelRegion srcPR;
+  PixelRegion paint_maskPR;
 
   /*   combine the paint mask and the canvas buffer  */
   pixel_region_init (&srcPR,
@@ -962,17 +977,39 @@ paint_mask_to_canvas_buffer (GimpPaintCore *core,
                      gegl_buffer_get_height (core->paint_buffer),
                      TRUE);
 
+  if (gimp_gegl_buffer_get_temp_buf (paint_mask))
+    {
+      pixel_region_init_temp_buf (&paint_maskPR,
+                                  gimp_gegl_buffer_get_temp_buf (paint_mask),
+                                  paint_mask_rect->x,
+                                  paint_mask_rect->y,
+                                  paint_mask_rect->width,
+                                  paint_mask_rect->height);
+    }
+  else
+    {
+      pixel_region_init (&paint_maskPR,
+                         gimp_gegl_buffer_get_tiles (paint_mask),
+                         paint_mask_rect->x,
+                         paint_mask_rect->y,
+                         paint_mask_rect->width,
+                         paint_mask_rect->height,
+                         FALSE);
+    }
+
   /*  combine the mask to the canvas tiles  */
-  combine_mask_and_region (&srcPR, paint_maskPR,
+  combine_mask_and_region (&srcPR, &paint_maskPR,
                            paint_opacity * 255.999, GIMP_IS_AIRBRUSH (core));
 }
 
 static void
-paint_mask_to_paint_area (GimpPaintCore *core,
-                          PixelRegion   *paint_maskPR,
-                          gdouble        paint_opacity)
+paint_mask_to_paint_area (GimpPaintCore       *core,
+                          GeglBuffer          *paint_mask,
+                          const GeglRectangle *paint_mask_rect,
+                          gdouble              paint_opacity)
 {
   PixelRegion srcPR;
+  PixelRegion paint_maskPR;
 
   /*  combine the canvas buf and the paint mask to the canvas buf  */
   pixel_region_init_temp_buf (&srcPR,
@@ -981,6 +1018,26 @@ paint_mask_to_paint_area (GimpPaintCore *core,
                               gegl_buffer_get_width  (core->paint_buffer),
                               gegl_buffer_get_height (core->paint_buffer));
 
+  if (gimp_gegl_buffer_get_temp_buf (paint_mask))
+    {
+      pixel_region_init_temp_buf (&paint_maskPR,
+                                  gimp_gegl_buffer_get_temp_buf (paint_mask),
+                                  paint_mask_rect->x,
+                                  paint_mask_rect->y,
+                                  paint_mask_rect->width,
+                                  paint_mask_rect->height);
+    }
+  else
+    {
+      pixel_region_init (&paint_maskPR,
+                         gimp_gegl_buffer_get_tiles (paint_mask),
+                         paint_mask_rect->x,
+                         paint_mask_rect->y,
+                         paint_mask_rect->width,
+                         paint_mask_rect->height,
+                         FALSE);
+    }
+
   /*  apply the mask  */
-  apply_mask_to_region (&srcPR, paint_maskPR, paint_opacity * 255.999);
+  apply_mask_to_region (&srcPR, &paint_maskPR, paint_opacity * 255.999);
 }
diff --git a/app/paint/gimppaintcore.h b/app/paint/gimppaintcore.h
index 3c014e2..ebd11c5 100644
--- a/app/paint/gimppaintcore.h
+++ b/app/paint/gimppaintcore.h
@@ -166,14 +166,16 @@ GeglBuffer * gimp_paint_core_get_orig_image         (GimpPaintCore    *core);
 GeglBuffer * gimp_paint_core_get_orig_proj          (GimpPaintCore    *core);
 
 void      gimp_paint_core_paste             (GimpPaintCore            *core,
-                                             PixelRegion              *paint_maskPR,
+                                             GeglBuffer               *paint_mask,
+                                             const GeglRectangle      *paint_mask_rect,
                                              GimpDrawable             *drawable,
                                              gdouble                   paint_opacity,
                                              gdouble                   image_opacity,
                                              GimpLayerModeEffects      paint_mode,
                                              GimpPaintApplicationMode  mode);
 void      gimp_paint_core_replace           (GimpPaintCore            *core,
-                                             PixelRegion              *paint_maskPR,
+                                             GeglBuffer               *paint_mask,
+                                             const GeglRectangle      *paint_mask_rect,
                                              GimpDrawable             *drawable,
                                              gdouble                   paint_opacity,
                                              gdouble                   image_opacity,



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