Merge remote-tracking branch 'origin' into 2015-07-cleanup

Conflicts:
	imgui.cpp

Author: ocornut

imgui.cpp

@@ -3610,10 +3610,12 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
         else
         {
             ImU32 resize_col = 0;
+            const float resize_corner_size = ImMax(g.FontSize * 1.35f, window_rounding + 1.0f + g.FontSize * 0.2f);
             if (!(flags & ImGuiWindowFlags_AlwaysAutoResize) && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0 && !(flags & ImGuiWindowFlags_NoResize))
             {
                 // Manual resize
-                const ImRect resize_rect(window->Rect().GetBR()-ImVec2(14,14), window->Rect().GetBR());
+                const ImVec2 br = window->Rect().GetBR();
+                const ImRect resize_rect(br - ImVec2(resize_corner_size * 0.75f, resize_corner_size * 0.75f), br);
                 const ImGuiID resize_id = window->GetID("#RESIZE");
                 bool hovered, held;
                 ButtonBehavior(resize_rect, resize_id, &hovered, &held, true, ImGuiButtonFlags_FlattenChilds);
@@ -3687,12 +3689,9 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
             // (after the input handling so we don't have a frame of latency)
             if (!(flags & ImGuiWindowFlags_NoResize))
             {
-                const float base_size = g.FontSize * 1.35f;
-                const float min_size = window_rounding + 1.0f + g.FontSize * 0.2f;
-                const float corner_size = ImMax(base_size, min_size);
                 const ImVec2 br = window->Rect().GetBR();
-                window->DrawList->PathLineTo(br + ImVec2(-corner_size, 0.0f));
-                window->DrawList->PathLineTo(br + ImVec2(0.0f, -corner_size));
+                window->DrawList->PathLineTo(br + ImVec2(-resize_corner_size, 0.0f));
+                window->DrawList->PathLineTo(br + ImVec2(0.0f, -resize_corner_size));
                 window->DrawList->PathArcToFast(ImVec2(br.x - window_rounding, br.y - window_rounding), window_rounding, 0, 3);
                 window->DrawList->PathFill(resize_col);
             }

imgui.h

@@ -1157,7 +1157,8 @@ struct ImFontAtlas
     IMGUI_API ImFont*           AddFontDefault(const ImFontConfig* font_cfg = NULL);
     IMGUI_API ImFont*           AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);
     IMGUI_API ImFont*           AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);                                        // Transfer ownership of 'ttf_data' to ImFontAtlas, will be deleted after Build()
-    IMGUI_API ImFont*           AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);  // 'compressed_ttf_data' untouched and still owned by caller. Compress with binary_to_compressed_c.cpp
+    IMGUI_API ImFont*           AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);  // 'compressed_ttf_data' still owned by caller. Compress with binary_to_compressed_c.cpp
+    IMGUI_API ImFont*           AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);              // 'compressed_ttf_data_base85' still owned by caller. Compress with binary_to_compressed_c.cpp with -base85 paramaeter
     IMGUI_API void              ClearTexData();             // Clear the CPU-side texture data. Saves RAM once the texture has been copied to graphics memory.
     IMGUI_API void              ClearInputData();           // Clear the input TTF data (inc sizes, glyph ranges)
     IMGUI_API void              ClearFonts();               // Clear the ImGui-side font data (glyphs storage, UV coordinates)

imgui_draw.cpp

@@ -965,33 +965,26 @@ ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
     return Fonts.back();
 }
 
+// Default font ttf is compressed with stb_compress then base85 encoded (see extra_fonts/binary_to_compressed_c.cpp for encoder)
 static unsigned int stb_decompress_length(unsigned char *input);
 static unsigned int stb_decompress(unsigned char *output, unsigned char *i, unsigned int length);
-
-// Default font ttf is compressed with stb_compress then base85 encoded (see extra_fonts/binary_to_compressed_c.cpp for encoder)
 static const char*  GetDefaultCompressedFontDataTTFBase85();
 static unsigned int Decode85Byte(char c)                                    { return c >= '\\' ? c-36 : c-35; }
 static void         Decode85(const unsigned char* src, unsigned int* dst)   { for (; *src; src += 5) *dst++ = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4])))); }
 
 // Load embedded ProggyClean.ttf at size 13
 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
 {
-    const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
-    int ttf_compressed_size = (((int)strlen(ttf_compressed_base85) + 4) / 5) * 4;
-    void* ttf_compressed = ImGui::MemAlloc(ttf_compressed_size);
-    Decode85((const unsigned char*)ttf_compressed_base85, (unsigned int*)ttf_compressed);
-
-    ImFontConfig font_cfg;
-    if (font_cfg_template)
-        font_cfg = *font_cfg_template;
-    else
+    ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
+    if (!font_cfg_template)
     {
         font_cfg.OversampleH = font_cfg.OversampleV = 1;
         font_cfg.PixelSnapH = true;
     }
     if (font_cfg.Name[0] == '\0') strcpy(font_cfg.Name, "<default>");
-    ImFont* font = AddFontFromMemoryCompressedTTF(ttf_compressed, ttf_compressed_size, 13.0f, &font_cfg, GetGlyphRangesDefault());
-    ImGui::MemFree(ttf_compressed);
+
+    const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
+    ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, 13.0f, &font_cfg, GetGlyphRangesDefault());
     return font;
 }
 
@@ -1039,6 +1032,16 @@ ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_d
     return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, font_cfg_template, glyph_ranges);
 }
 
+ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
+{
+    int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
+    void* compressed_ttf = ImGui::MemAlloc(compressed_ttf_size);
+    Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned int*)compressed_ttf);
+    ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
+    ImGui::MemFree(compressed_ttf);
+    return font;
+}
+
 bool    ImFontAtlas::Build()
 {
     IM_ASSERT(ConfigData.Size > 0);