Cleanup: move some drawing code into ed_draw.c

Move some drawing code from `area.c` and `ed_util.c`  into `ed_draw.c`.
This is to support the new generic slider that wil be used in T81785.

No functional changes.

Reviewed By: #animation_rigging, #user_interface, Severin, sybren

Maniphest Tasks: T81785

Differential Revision: https://developer.blender.org/D9313

1 files changed, 0 insertions, 291 deletions

diff --git a/source/blender/editors/screen/area.c b/source/blender/editors/screen/area.c
index 2c71345699f..bd2b1c4c553 100644
--- a/source/blender/editors/screen/area.c
+++ b/source/blender/editors/screen/area.c
@@ -3516,297 +3516,6 @@ void ED_region_info_draw(ARegion *region,
   ED_region_info_draw_multiline(region, text_array, fill_color, full_redraw);
 }
 
-#define MAX_METADATA_STR 1024
-
-static const char *meta_data_list[] = {
-    "File",
-    "Strip",
-    "Date",
-    "RenderTime",
-    "Note",
-    "Marker",
-    "Time",
-    "Frame",
-    "Camera",
-    "Scene",
-};
-
-BLI_INLINE bool metadata_is_valid(ImBuf *ibuf, char *r_str, short index, int offset)
-{
-  return (IMB_metadata_get_field(
-              ibuf->metadata, meta_data_list[index], r_str + offset, MAX_METADATA_STR - offset) &&
-          r_str[0]);
-}
-
-BLI_INLINE bool metadata_is_custom_drawable(const char *field)
-{
-  /* Metadata field stored by Blender for multilayer EXR images. Is rather
-   * useless to be viewed all the time. Can still be seen in the Metadata
-   * panel. */
-  if (STREQ(field, "BlenderMultiChannel")) {
-    return false;
-  }
-  /* Is almost always has value "scanlineimage", also useless to be seen
-   * all the time. */
-  if (STREQ(field, "type")) {
-    return false;
-  }
-  return !BKE_stamp_is_known_field(field);
-}
-
-typedef struct MetadataCustomDrawContext {
-  int fontid;
-  int xmin, ymin;
-  int vertical_offset;
-  int current_y;
-} MetadataCustomDrawContext;
-
-static void metadata_custom_draw_fields(const char *field, const char *value, void *ctx_v)
-{
-  if (!metadata_is_custom_drawable(field)) {
-    return;
-  }
-  MetadataCustomDrawContext *ctx = (MetadataCustomDrawContext *)ctx_v;
-  char temp_str[MAX_METADATA_STR];
-  BLI_snprintf(temp_str, MAX_METADATA_STR, "%s: %s", field, value);
-  BLF_position(ctx->fontid, ctx->xmin, ctx->ymin + ctx->current_y, 0.0f);
-  BLF_draw(ctx->fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX);
-  ctx->current_y += ctx->vertical_offset;
-}
-
-static void metadata_draw_imbuf(ImBuf *ibuf, const rctf *rect, int fontid, const bool is_top)
-{
-  char temp_str[MAX_METADATA_STR];
-  int ofs_y = 0;
-  const float height = BLF_height_max(fontid);
-  const float margin = height / 8;
-  const float vertical_offset = (height + margin);
-
-  /* values taking margins into account */
-  const float descender = BLF_descender(fontid);
-  const float xmin = (rect->xmin + margin);
-  const float xmax = (rect->xmax - margin);
-  const float ymin = (rect->ymin + margin) - descender;
-  const float ymax = (rect->ymax - margin) - descender;
-
-  if (is_top) {
-    for (int i = 0; i < 4; i++) {
-      /* first line */
-      if (i == 0) {
-        bool do_newline = false;
-        int len = BLI_snprintf_rlen(temp_str, MAX_METADATA_STR, "%s: ", meta_data_list[0]);
-        if (metadata_is_valid(ibuf, temp_str, 0, len)) {
-          BLF_position(fontid, xmin, ymax - vertical_offset, 0.0f);
-          BLF_draw(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX);
-          do_newline = true;
-        }
-
-        len = BLI_snprintf_rlen(temp_str, MAX_METADATA_STR, "%s: ", meta_data_list[1]);
-        if (metadata_is_valid(ibuf, temp_str, 1, len)) {
-          int line_width = BLF_width(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX);
-          BLF_position(fontid, xmax - line_width, ymax - vertical_offset, 0.0f);
-          BLF_draw(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX);
-          do_newline = true;
-        }
-
-        if (do_newline) {
-          ofs_y += vertical_offset;
-        }
-      } /* Strip */
-      else if (ELEM(i, 1, 2)) {
-        int len = BLI_snprintf_rlen(temp_str, MAX_METADATA_STR, "%s: ", meta_data_list[i + 1]);
-        if (metadata_is_valid(ibuf, temp_str, i + 1, len)) {
-          BLF_position(fontid, xmin, ymax - vertical_offset - ofs_y, 0.0f);
-          BLF_draw(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX);
-          ofs_y += vertical_offset;
-        }
-      } /* Note (wrapped) */
-      else if (i == 3) {
-        int len = BLI_snprintf_rlen(temp_str, MAX_METADATA_STR, "%s: ", meta_data_list[i + 1]);
-        if (metadata_is_valid(ibuf, temp_str, i + 1, len)) {
-          struct ResultBLF info;
-          BLF_enable(fontid, BLF_WORD_WRAP);
-          BLF_wordwrap(fontid, ibuf->x - (margin * 2));
-          BLF_position(fontid, xmin, ymax - vertical_offset - ofs_y, 0.0f);
-          BLF_draw_ex(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX, &info);
-          BLF_wordwrap(fontid, 0);
-          BLF_disable(fontid, BLF_WORD_WRAP);
-          ofs_y += vertical_offset * info.lines;
-        }
-      }
-      else {
-        int len = BLI_snprintf_rlen(temp_str, MAX_METADATA_STR, "%s: ", meta_data_list[i + 1]);
-        if (metadata_is_valid(ibuf, temp_str, i + 1, len)) {
-          int line_width = BLF_width(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX);
-          BLF_position(fontid, xmax - line_width, ymax - vertical_offset - ofs_y, 0.0f);
-          BLF_draw(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX);
-          ofs_y += vertical_offset;
-        }
-      }
-    }
-  }
-  else {
-    MetadataCustomDrawContext ctx;
-    ctx.fontid = fontid;
-    ctx.xmin = xmin;
-    ctx.ymin = ymin;
-    ctx.current_y = ofs_y;
-    ctx.vertical_offset = vertical_offset;
-    IMB_metadata_foreach(ibuf, metadata_custom_draw_fields, &ctx);
-    int ofs_x = 0;
-    ofs_y = ctx.current_y;
-    for (int i = 5; i < 10; i++) {
-      int len = BLI_snprintf_rlen(temp_str, MAX_METADATA_STR, "%s: ", meta_data_list[i]);
-      if (metadata_is_valid(ibuf, temp_str, i, len)) {
-        BLF_position(fontid, xmin + ofs_x, ymin + ofs_y, 0.0f);
-        BLF_draw(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX);
-
-        ofs_x += BLF_width(fontid, temp_str, BLF_DRAW_STR_DUMMY_MAX) + UI_UNIT_X;
-      }
-    }
-  }
-}
-
-typedef struct MetadataCustomCountContext {
-  int count;
-} MetadataCustomCountContext;
-
-static void metadata_custom_count_fields(const char *field, const char *UNUSED(value), void *ctx_v)
-{
-  if (!metadata_is_custom_drawable(field)) {
-    return;
-  }
-  MetadataCustomCountContext *ctx = (MetadataCustomCountContext *)ctx_v;
-  ctx->count++;
-}
-
-static float metadata_box_height_get(ImBuf *ibuf, int fontid, const bool is_top)
-{
-  const float height = BLF_height_max(fontid);
-  const float margin = (height / 8);
-  char str[MAX_METADATA_STR] = "";
-  short count = 0;
-
-  if (is_top) {
-    if (metadata_is_valid(ibuf, str, 0, 0) || metadata_is_valid(ibuf, str, 1, 0)) {
-      count++;
-    }
-    for (int i = 2; i < 5; i++) {
-      if (metadata_is_valid(ibuf, str, i, 0)) {
-        if (i == 4) {
-          struct {
-            struct ResultBLF info;
-            rctf rect;
-          } wrap;
-
-          BLF_enable(fontid, BLF_WORD_WRAP);
-          BLF_wordwrap(fontid, ibuf->x - (margin * 2));
-          BLF_boundbox_ex(fontid, str, sizeof(str), &wrap.rect, &wrap.info);
-          BLF_wordwrap(fontid, 0);
-          BLF_disable(fontid, BLF_WORD_WRAP);
-
-          count += wrap.info.lines;
-        }
-        else {
-          count++;
-        }
-      }
-    }
-  }
-  else {
-    for (int i = 5; i < 10; i++) {
-      if (metadata_is_valid(ibuf, str, i, 0)) {
-        count = 1;
-        break;
-      }
-    }
-    MetadataCustomCountContext ctx;
-    ctx.count = 0;
-    IMB_metadata_foreach(ibuf, metadata_custom_count_fields, &ctx);
-    count += ctx.count;
-  }
-
-  if (count) {
-    return (height + margin) * count;
-  }
-
-  return 0;
-}
-
-#undef MAX_METADATA_STR
-
-void ED_region_image_metadata_draw(
-    int x, int y, ImBuf *ibuf, const rctf *frame, float zoomx, float zoomy)
-{
-  const uiStyle *style = UI_style_get_dpi();
-
-  if (!ibuf->metadata) {
-    return;
-  }
-
-  /* find window pixel coordinates of origin */
-  GPU_matrix_push();
-
-  /* offset and zoom using ogl */
-  GPU_matrix_translate_2f(x, y);
-  GPU_matrix_scale_2f(zoomx, zoomy);
-
-  BLF_size(blf_mono_font, style->widgetlabel.points * 1.5f * U.pixelsize, U.dpi);
-
-  /* *** upper box*** */
-
-  /* get needed box height */
-  float box_y = metadata_box_height_get(ibuf, blf_mono_font, true);
-
-  if (box_y) {
-    /* set up rect */
-    rctf rect;
-    BLI_rctf_init(&rect, frame->xmin, frame->xmax, frame->ymax, frame->ymax + box_y);
-    /* draw top box */
-    GPUVertFormat *format = immVertexFormat();
-    uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
-    immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
-    immUniformThemeColor(TH_METADATA_BG);
-    immRectf(pos, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
-    immUnbindProgram();
-
-    BLF_clipping(blf_mono_font, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
-    BLF_enable(blf_mono_font, BLF_CLIPPING);
-
-    UI_FontThemeColor(blf_mono_font, TH_METADATA_TEXT);
-    metadata_draw_imbuf(ibuf, &rect, blf_mono_font, true);
-
-    BLF_disable(blf_mono_font, BLF_CLIPPING);
-  }
-
-  /* *** lower box*** */
-
-  box_y = metadata_box_height_get(ibuf, blf_mono_font, false);
-
-  if (box_y) {
-    /* set up box rect */
-    rctf rect;
-    BLI_rctf_init(&rect, frame->xmin, frame->xmax, frame->ymin - box_y, frame->ymin);
-    /* draw top box */
-    GPUVertFormat *format = immVertexFormat();
-    uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
-    immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
-    immUniformThemeColor(TH_METADATA_BG);
-    immRectf(pos, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
-    immUnbindProgram();
-
-    BLF_clipping(blf_mono_font, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
-    BLF_enable(blf_mono_font, BLF_CLIPPING);
-
-    UI_FontThemeColor(blf_mono_font, TH_METADATA_TEXT);
-    metadata_draw_imbuf(ibuf, &rect, blf_mono_font, false);
-
-    BLF_disable(blf_mono_font, BLF_CLIPPING);
-  }
-
-  GPU_matrix_pop();
-}
-
 typedef struct MetadataPanelDrawContext {
   uiLayout *layout;
 } MetadataPanelDrawContext;