void gimp_view_renderer_render_temp_buf_simple (GimpViewRenderer *renderer, GtkWidget *widget, GimpTempBuf *temp_buf) { gint temp_buf_x = 0; gint temp_buf_y = 0; gint temp_buf_width; gint temp_buf_height; g_return_if_fail (GIMP_IS_VIEW_RENDERER (renderer)); g_return_if_fail (temp_buf != NULL); temp_buf_width = gimp_temp_buf_get_width (temp_buf); temp_buf_height = gimp_temp_buf_get_height (temp_buf); if (temp_buf_width < renderer->width) temp_buf_x = (renderer->width - temp_buf_width) / 2; if (temp_buf_height < renderer->height) temp_buf_y = (renderer->height - temp_buf_height) / 2; gimp_view_renderer_render_temp_buf (renderer, widget, temp_buf, temp_buf_x, temp_buf_y, -1, GIMP_VIEW_BG_CHECKS, GIMP_VIEW_BG_WHITE); }
static void gimp_view_renderer_image_render (GimpViewRenderer *renderer, GtkWidget *widget) { GimpViewRendererImage *rendererimage = GIMP_VIEW_RENDERER_IMAGE (renderer); GimpImage *image = GIMP_IMAGE (renderer->viewable); const gchar *icon_name; /* The conditions checked here are mostly a hack to hide the fact that * we are creating the channel preview from the image preview and turning * off visibility of a channel has the side-effect of painting the channel * preview all black. See bug #459518 for details. */ if (rendererimage->channel == -1 || (gimp_image_get_component_visible (image, rendererimage->channel) && gimp_image_get_component_visible (image, GIMP_ALPHA_CHANNEL))) { gint view_width; gint view_height; gdouble xres; gdouble yres; gboolean scaling_up; GimpTempBuf *render_buf = NULL; gimp_image_get_resolution (image, &xres, &yres); gimp_viewable_calc_preview_size (gimp_image_get_width (image), gimp_image_get_height (image), renderer->width, renderer->height, renderer->dot_for_dot, xres, yres, &view_width, &view_height, &scaling_up); if (scaling_up) { GimpTempBuf *temp_buf; temp_buf = gimp_viewable_get_new_preview (renderer->viewable, renderer->context, gimp_image_get_width (image), gimp_image_get_height (image)); if (temp_buf) { render_buf = gimp_temp_buf_scale (temp_buf, view_width, view_height); gimp_temp_buf_unref (temp_buf); } } else { render_buf = gimp_viewable_get_new_preview (renderer->viewable, renderer->context, view_width, view_height); } if (render_buf) { gint render_buf_x = 0; gint render_buf_y = 0; gint component_index = -1; /* xresolution != yresolution */ if (view_width > renderer->width || view_height > renderer->height) { GimpTempBuf *temp_buf; temp_buf = gimp_temp_buf_scale (render_buf, renderer->width, renderer->height); gimp_temp_buf_unref (render_buf); render_buf = temp_buf; } if (view_width < renderer->width) render_buf_x = (renderer->width - view_width) / 2; if (view_height < renderer->height) render_buf_y = (renderer->height - view_height) / 2; if (rendererimage->channel != -1) component_index = gimp_image_get_component_index (image, rendererimage->channel); gimp_view_renderer_render_temp_buf (renderer, widget, render_buf, render_buf_x, render_buf_y, component_index, GIMP_VIEW_BG_CHECKS, GIMP_VIEW_BG_WHITE); gimp_temp_buf_unref (render_buf); return; } } switch (rendererimage->channel) { case GIMP_RED_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_RED; break; case GIMP_GREEN_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_GREEN; break; case GIMP_BLUE_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_BLUE; break; case GIMP_GRAY_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_GRAY; break; case GIMP_INDEXED_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_INDEXED; break; case GIMP_ALPHA_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_ALPHA; break; default: icon_name = gimp_viewable_get_icon_name (renderer->viewable); break; } gimp_view_renderer_render_icon (renderer, widget, icon_name); }