[Bf-blender-cvs] [c456671b536] master: Refactor sample operator

Richard Antalik noreply at git.blender.org
Sun Apr 12 23:59:42 CEST 2020


Commit: c456671b53695e4ae7bc4871cb48835f4a7f1d3b
Author: Richard Antalik
Date:   Sun Apr 12 23:56:03 2020 +0200
Branches: master
https://developer.blender.org/rBc456671b53695e4ae7bc4871cb48835f4a7f1d3b

Refactor sample operator

Move sample operator functions to `ed_util_imbuf.c` and change common functions,
so they can be used in image editor and sequencer.

Reviewed By: campbellbarton

Differential Revision: https://developer.blender.org/D7315

===================================================================

A	source/blender/editors/include/ED_util_imbuf.h
M	source/blender/editors/space_image/image_ops.c
M	source/blender/editors/space_sequencer/sequencer_view.c
M	source/blender/editors/util/CMakeLists.txt
A	source/blender/editors/util/ed_util_imbuf.c

===================================================================

diff --git a/source/blender/editors/include/ED_util_imbuf.h b/source/blender/editors/include/ED_util_imbuf.h
new file mode 100644
index 00000000000..64349556744
--- /dev/null
+++ b/source/blender/editors/include/ED_util_imbuf.h
@@ -0,0 +1,52 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2008 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup editors
+ */
+
+#ifndef __ED_UTIL_IMBUF_H__
+#define __ED_UTIL_IMBUF_H__
+
+#include "BLI_compiler_attrs.h"
+
+#include "DNA_screen_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct Main;
+struct bContext;
+struct wmOperator;
+struct wmEvent;
+
+/* ed_util_imbuf.c */
+void ED_imbuf_sample_draw(const struct bContext *C, struct ARegion *region, void *arg_info);
+void ED_imbuf_sample_exit(struct bContext *C, struct wmOperator *op);
+int ED_imbuf_sample_invoke(struct bContext *C, struct wmOperator *op, const struct wmEvent *event);
+int ED_imbuf_sample_modal(struct bContext *C, struct wmOperator *op, const struct wmEvent *event);
+void ED_imbuf_sample_cancel(struct bContext *C, struct wmOperator *op);
+bool ED_imbuf_sample_poll(struct bContext *C);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ED_UTIL_IMBUF_H__ */
diff --git a/source/blender/editors/space_image/image_ops.c b/source/blender/editors/space_image/image_ops.c
index 14245327bdd..992727e3b11 100644
--- a/source/blender/editors/space_image/image_ops.c
+++ b/source/blender/editors/space_image/image_ops.c
@@ -91,6 +91,7 @@
 #include "ED_screen.h"
 #include "ED_space_api.h"
 #include "ED_util.h"
+#include "ED_util_imbuf.h"
 #include "ED_uvedit.h"
 
 #include "UI_interface.h"
@@ -277,28 +278,6 @@ static bool space_image_main_area_not_uv_brush_poll(bContext *C)
   return 0;
 }
 
-static bool image_sample_poll(bContext *C)
-{
-  SpaceImage *sima = CTX_wm_space_image(C);
-  if (sima == NULL) {
-    return false;
-  }
-
-  Object *obedit = CTX_data_edit_object(C);
-  if (obedit) {
-    /* Disable when UV editing so it doesn't swallow all click events
-     * (use for setting cursor). */
-    if (ED_space_image_show_uvedit(sima, obedit)) {
-      return false;
-    }
-  }
-  else if (sima->mode != SI_MODE_VIEW) {
-    return false;
-  }
-
-  return true;
-}
-
 /** \} */
 
 /* -------------------------------------------------------------------- */
@@ -3099,85 +3078,6 @@ void IMAGE_OT_unpack(wmOperatorType *ot)
 /** \name Sample Image Operator
  * \{ */
 
-typedef struct ImageSampleInfo {
-  ARegionType *art;
-  void *draw_handle;
-  int x, y;
-  int channels;
-
-  int width, height;
-  int sample_size;
-
-  uchar col[4];
-  float colf[4];
-  float linearcol[4];
-  int z;
-  float zf;
-
-  uchar *colp;
-  const float *colfp;
-  int *zp;
-  float *zfp;
-
-  bool draw;
-  bool color_manage;
-  int use_default_view;
-} ImageSampleInfo;
-
-static void image_sample_draw(const bContext *C, ARegion *region, void *arg_info)
-{
-  ImageSampleInfo *info = arg_info;
-  if (!info->draw) {
-    return;
-  }
-
-  Scene *scene = CTX_data_scene(C);
-  ED_image_draw_info(scene,
-                     region,
-                     info->color_manage,
-                     info->use_default_view,
-                     info->channels,
-                     info->x,
-                     info->y,
-                     info->colp,
-                     info->colfp,
-                     info->linearcol,
-                     info->zp,
-                     info->zfp);
-
-  if (info->sample_size > 1) {
-    const wmWindow *win = CTX_wm_window(C);
-    const wmEvent *event = win->eventstate;
-
-    SpaceImage *sima = CTX_wm_space_image(C);
-    GPUVertFormat *format = immVertexFormat();
-    uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
-
-    const float color[3] = {1, 1, 1};
-    immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
-    immUniformColor3fv(color);
-
-    /* TODO(campbell): lock to pixels. */
-    rctf sample_rect_fl;
-    BLI_rctf_init_pt_radius(
-        &sample_rect_fl,
-        (float[2]){event->x - region->winrct.xmin, event->y - region->winrct.ymin},
-        (float)(info->sample_size / 2.0f) * sima->zoom);
-
-    glEnable(GL_COLOR_LOGIC_OP);
-    glLogicOp(GL_XOR);
-    GPU_line_width(1.0f);
-    imm_draw_box_wire_2d(pos,
-                         (float)sample_rect_fl.xmin,
-                         (float)sample_rect_fl.ymin,
-                         (float)sample_rect_fl.xmax,
-                         (float)sample_rect_fl.ymax);
-    glDisable(GL_COLOR_LOGIC_OP);
-
-    immUnbindProgram();
-  }
-}
-
 /* Returns color in linear space, matching ED_space_node_color_sample(). */
 bool ED_space_image_color_sample(SpaceImage *sima, ARegion *region, int mval[2], float r_col[3])
 {
@@ -3222,279 +3122,6 @@ bool ED_space_image_color_sample(SpaceImage *sima, ARegion *region, int mval[2],
   return ret;
 }
 
-/* -------------------------------------------------------------------- */
-/** \name Image Pixel Sample
- * \{ */
-
-static void image_sample_pixel_color_ubyte(const ImBuf *ibuf,
-                                           const int coord[2],
-                                           uchar r_col[4],
-                                           float r_col_linear[4])
-{
-  const uchar *cp = (uchar *)(ibuf->rect + coord[1] * ibuf->x + coord[0]);
-  copy_v4_v4_uchar(r_col, cp);
-  rgba_uchar_to_float(r_col_linear, r_col);
-  IMB_colormanagement_colorspace_to_scene_linear_v4(r_col_linear, false, ibuf->rect_colorspace);
-}
-
-static void image_sample_pixel_color_float(ImBuf *ibuf, const int coord[2], float r_col[4])
-{
-  const float *cp = ibuf->rect_float + (ibuf->channels) * (coord[1] * ibuf->x + coord[0]);
-  copy_v4_v4(r_col, cp);
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Image Pixel Region Sample
- * \{ */
-
-static void image_sample_rect_color_ubyte(const ImBuf *ibuf,
-                                          const rcti *rect,
-                                          uchar r_col[4],
-                                          float r_col_linear[4])
-{
-  uint col_accum_ub[4] = {0, 0, 0, 0};
-  zero_v4(r_col_linear);
-  int col_tot = 0;
-  int coord[2];
-  for (coord[0] = rect->xmin; coord[0] <= rect->xmax; coord[0]++) {
-    for (coord[1] = rect->ymin; coord[1] <= rect->ymax; coord[1]++) {
-      float col_temp_fl[4];
-      uchar col_temp_ub[4];
-      image_sample_pixel_color_ubyte(ibuf, coord, col_temp_ub, col_temp_fl);
-      add_v4_v4(r_col_linear, col_temp_fl);
-      col_accum_ub[0] += (uint)col_temp_ub[0];
-      col_accum_ub[1] += (uint)col_temp_ub[1];
-      col_accum_ub[2] += (uint)col_temp_ub[2];
-      col_accum_ub[3] += (uint)col_temp_ub[3];
-      col_tot += 1;
-    }
-  }
-  mul_v4_fl(r_col_linear, 1.0 / (float)col_tot);
-
-  r_col[0] = MIN2(col_accum_ub[0] / col_tot, 255);
-  r_col[1] = MIN2(col_accum_ub[1] / col_tot, 255);
-  r_col[2] = MIN2(col_accum_ub[2] / col_tot, 255);
-  r_col[3] = MIN2(col_accum_ub[3] / col_tot, 255);
-}
-
-static void image_sample_rect_color_float(ImBuf *ibuf, const rcti *rect, float r_col[4])
-{
-  zero_v4(r_col);
-  int col_tot = 0;
-  int coord[2];
-  for (coord[0] = rect->xmin; coord[0] <= rect->xmax; coord[0]++) {
-    for (coord[1] = rect->ymin; coord[1] <= rect->ymax; coord[1]++) {
-      float col_temp_fl[4];
-      image_sample_pixel_color_float(ibuf, coord, col_temp_fl);
-      add_v4_v4(r_col, col_temp_fl);
-      col_tot += 1;
-    }
-  }
-  mul_v4_fl(r_col, 1.0 / (float)col_tot);
-}
-
-/** \} */
-
-static void image_sample_apply(bContext *C, wmOperator *op, const wmEvent *event)
-{
-  SpaceImage *sima = CTX_wm_space_image(C);
-  ARegion *region = CTX_wm_region(C);
-  Image *image = ED_space_image(sima);
-
-  float uv[2];
-  UI_view2d_region_to_view(&region->v2d, event->mval[0], event->mval[1], &uv[0], &uv[1]);
-  int tile = BKE_image_get_tile_from_pos(sima->image, uv, uv, NULL);
-
-  void *lock;
-  ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock, tile);
-  ImageSampleInfo *info = op->customdata;
-  Scene *scene = CTX_data_scene(C);
-  CurveMapping *curve_mapping = scene->view_settings.curve_mapping;
-
-  if (ibuf == NULL) {
-    ED_space_image_release_buffer(sima, ibuf, lock);
-    info->draw = false;
-    return;
-  }
-
-  if (uv[0] >= 0.0f && uv[1] >= 0.0f && uv[0] < 1.0f && uv[1] < 1.0f) {
-    int x = (int)(uv[0] * ibuf->x), y = (int)(uv[1] * ibuf->y);
-
-    CLAMP(x, 0, ibuf->x - 1);
-    CLAMP(y, 0, ibuf->y - 1);
-
-    info->width = ibuf->x;
-    info->height = ibuf->y;
-    info->x = x;
-    info->y = y;
-
-    info->draw = true;
-    info->channels = ibuf->channels;
-
-    info->colp = NULL;
-    info->colfp = NULL;
-    info->zp = NULL;
-    info->zfp = NULL;
-
-    info->use_default_view = (image->flag & IMA_VIEW_AS_RENDER) ? false : true;
-
-    rcti sample_rect;
-    sample_rect.xmin = max_ii(0, x - info->sample_size / 2);
-    sample_rect.ymin = max_ii(0, y - info->sample_size / 2);
-    sample_rect.xmax = min_ii(ibuf->x, sample_rect.xmin + info->sample_size) - 1;
-    sample_rect.ymax = min_ii(ibuf->y, sample_rect.ymin + info->sample_size) - 1;
-
-    if (ibuf->rect) {
-      image_sample_rect_color_ubyte(ibuf, &sample_rect, info->col, info->linearcol);
-      rgba_uchar_to_float(info->colf, info->col);
-
-      info->colp = info->col;
-      info->colfp = info->colf;
-      info->color_manage = true;
-    }
-    if (ibuf->rect_float) {
-      image_sample_rect_color_float(ibuf, &sample_rect, info->colf);
-
-      if (ibuf-

@@ Diff output truncated at 10240 characters. @@



More information about the Bf-blender-cvs mailing list