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imgui_freetype: clarify breaking changes, and add BuildFontAtlas() to be consistent with planned obsolescence. Rename mislabelled internal helper. Demo: clarify labels in nested table demo. (#3765)

This commit is contained in:
ocornut 2021-01-28 20:52:26 +01:00
parent dff0044d4e
commit 9499afdf5e
6 changed files with 22 additions and 14 deletions
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4
docs/CHANGELOG.txt
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@ -37,7 +37,9 @@ HOW TO UPDATE?
Breaking Changes:
- imgui_freetype: Removed ImGuiFreeType::BuildFontAtlas() extra flags, now stored in ImFontAtlas::FontBuilderFlags.
- imgui_freetype: Removed ImGuiFreeType::BuildFontAtlas(). Kept inline redirection function.
Prefer using '#define IMGUI_ENABLE_FREETYPE', but there's a runtime selection path available too.
The shared extra flags parameters (very rarely used) are now stored in ImFontAtlas::FontBuilderFlags.
- imgui_freetype: Renamed ImFontConfig::RasterizerFlags (used by FreeType) to ImFontConfig::FontBuilderFlags.
- imgui_freetyoe: Renamed ImGuiFreeType::XXX flags to ImGuiFreeTypeBuilderFlags_XXX for consistency with other API.

2
imgui.cpp
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@ -373,7 +373,7 @@ CODE
When you are not sure about a old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files.
You can read releases logs https://github.com/ocornut/imgui/releases for more details.
- 2021/01/26 (1.81) - imgui_freetype: removed ImGuiFreeType::BuildFontAtlas() extra flags, now stored in ImFontAtlas::FontBuilderFlags.
- 2021/01/26 (1.81) - imgui_freetype: removed ImGuiFreeType::BuildFontAtlas(). Kept inline redirection function. Prefer using '#define IMGUI_ENABLE_FREETYPE', but there's a runtime selection path available too. The shared extra flags parameters (very rarely used) are now stored in ImFontAtlas::FontBuilderFlags.
- imgui_freetype: renamed ImFontConfig::RasterizerFlags (used by FreeType) to ImFontConfig::FontBuilderFlags.
- imgui_freetype: renamed ImGuiFreeType::XXX flags to ImGuiFreeTypeBuilderFlags_XXX for consistency with other API.
- 2020/10/12 (1.80) - removed redirecting functions/enums that were marked obsolete in 1.63 (August 2018):

16
imgui_demo.cpp
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@ -4249,7 +4249,7 @@ static void ShowDemoWindowTables()
ImGui::TableHeadersRow();
ImGui::TableNextColumn();
ImGui::Text("A0 Cell 0");
ImGui::Text("A0 Row 0");
{
float rows_height = TEXT_BASE_HEIGHT * 2;
if (ImGui::BeginTable("table_nested2", 2, ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable))
@ -4260,21 +4260,21 @@ static void ShowDemoWindowTables()
ImGui::TableNextRow(ImGuiTableRowFlags_None, rows_height);
ImGui::TableNextColumn();
ImGui::Text("B0 Cell 0");
ImGui::Text("B0 Row 0");
ImGui::TableNextColumn();
ImGui::Text("B0 Cell 1");
ImGui::Text("B1 Row 0");
ImGui::TableNextRow(ImGuiTableRowFlags_None, rows_height);
ImGui::TableNextColumn();
ImGui::Text("B1 Cell 0");
ImGui::Text("B0 Row 1");
ImGui::TableNextColumn();
ImGui::Text("B1 Cell 1");
ImGui::Text("B1 Row 1");
ImGui::EndTable();
}
}
ImGui::TableNextColumn(); ImGui::Text("A0 Cell 1");
ImGui::TableNextColumn(); ImGui::Text("A1 Cell 0");
ImGui::TableNextColumn(); ImGui::Text("A1 Cell 1");
ImGui::TableNextColumn(); ImGui::Text("A1 Row 0");
ImGui::TableNextColumn(); ImGui::Text("A0 Row 1");
ImGui::TableNextColumn(); ImGui::Text("A1 Row 1");
ImGui::EndTable();
}
ImGui::TreePop();

6
imgui_draw.cpp
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@ -2447,7 +2447,7 @@ void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opa
}
}
void ImFontAtlasBuildRender1bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value)
void ImFontAtlasBuildRender8bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value)
{
IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth);
IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight);
@ -2469,8 +2469,8 @@ static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
IM_ASSERT(r->Width == FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
const int x_for_white = r->X;
const int x_for_black = r->X + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
ImFontAtlasBuildRender1bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', 0xFF);
ImFontAtlasBuildRender1bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', 0xFF);
ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', 0xFF);
ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', 0xFF);
}
else
{

2
imgui_internal.h
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@ -2509,7 +2509,7 @@ IMGUI_API void ImFontAtlasBuildInit(ImFontAtlas* atlas);
IMGUI_API void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent);
IMGUI_API void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque);
IMGUI_API void ImFontAtlasBuildFinish(ImFontAtlas* atlas);
IMGUI_API void ImFontAtlasBuildRender1bppRectFromString(ImFontAtlas* atlas, int atlas_x, int atlas_y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value);
IMGUI_API void ImFontAtlasBuildRender8bppRectFromString(ImFontAtlas* atlas, int atlas_x, int atlas_y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value);
IMGUI_API void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_multiply_factor);
IMGUI_API void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride);

6
misc/freetype/imgui_freetype.h
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@ -39,4 +39,10 @@ namespace ImGuiFreeType
// Override allocators. By default ImGuiFreeType will use IM_ALLOC()/IM_FREE()
// However, as FreeType does lots of allocations we provide a way for the user to redirect it to a separate memory heap if desired.
IMGUI_API void SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* user_data), void (*free_func)(void* ptr, void* user_data), void* user_data = NULL);
// Obsolete names (will be removed soon)
// Prefer using '#define IMGUI_ENABLE_FREETYPE'
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
bool BuildFontAtlas(ImFontAtlas* atlas, unsigned int flags = 0) { atlas->FontBuilderIO = GetBuilderForFreeType(); atlas->FontBuilderFlags = flags; return atlas->Build(); }
#endif
}