mirror of
https://github.com/Drezil/imgui.git
synced 2025-07-15 17:23:13 +02:00
This commit is contained in:
@ -66,7 +66,7 @@ static void ImGuiFreeTypeDefaultFreeFunc(void* ptr, void* user_data) { IM_UNUSE
|
||||
// Current memory allocators
|
||||
static void* (*GImGuiFreeTypeAllocFunc)(size_t size, void* user_data) = ImGuiFreeTypeDefaultAllocFunc;
|
||||
static void (*GImGuiFreeTypeFreeFunc)(void* ptr, void* user_data) = ImGuiFreeTypeDefaultFreeFunc;
|
||||
static void* GImGuiFreeTypeAllocatorUserData = NULL;
|
||||
static void* GImGuiFreeTypeAllocatorUserData = nullptr;
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
// Code
|
||||
@ -136,7 +136,7 @@ namespace
|
||||
void SetPixelHeight(int pixel_height); // Change font pixel size. All following calls to RasterizeGlyph() will use this size
|
||||
const FT_Glyph_Metrics* LoadGlyph(uint32_t in_codepoint);
|
||||
const FT_Bitmap* RenderGlyphAndGetInfo(GlyphInfo* out_glyph_info);
|
||||
void BlitGlyph(const FT_Bitmap* ft_bitmap, uint32_t* dst, uint32_t dst_pitch, unsigned char* multiply_table = NULL);
|
||||
void BlitGlyph(const FT_Bitmap* ft_bitmap, uint32_t* dst, uint32_t dst_pitch, unsigned char* multiply_table = nullptr);
|
||||
~FreeTypeFont() { CloseFont(); }
|
||||
|
||||
// [Internals]
|
||||
@ -198,7 +198,7 @@ namespace
|
||||
if (Face)
|
||||
{
|
||||
FT_Done_Face(Face);
|
||||
Face = NULL;
|
||||
Face = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
@ -229,7 +229,7 @@ namespace
|
||||
{
|
||||
uint32_t glyph_index = FT_Get_Char_Index(Face, codepoint);
|
||||
if (glyph_index == 0)
|
||||
return NULL;
|
||||
return nullptr;
|
||||
|
||||
// If this crash for you: FreeType 2.11.0 has a crash bug on some bitmap/colored fonts.
|
||||
// - https://gitlab.freedesktop.org/freetype/freetype/-/issues/1076
|
||||
@ -238,7 +238,7 @@ namespace
|
||||
// You can use FreeType 2.10, or the patched version of 2.11.0 in VcPkg, or probably any upcoming FreeType version.
|
||||
FT_Error error = FT_Load_Glyph(Face, glyph_index, LoadFlags);
|
||||
if (error)
|
||||
return NULL;
|
||||
return nullptr;
|
||||
|
||||
// Need an outline for this to work
|
||||
FT_GlyphSlot slot = Face->glyph;
|
||||
@ -264,7 +264,7 @@ namespace
|
||||
FT_GlyphSlot slot = Face->glyph;
|
||||
FT_Error error = FT_Render_Glyph(slot, RenderMode);
|
||||
if (error != 0)
|
||||
return NULL;
|
||||
return nullptr;
|
||||
|
||||
FT_Bitmap* ft_bitmap = &Face->glyph->bitmap;
|
||||
out_glyph_info->Width = (int)ft_bitmap->width;
|
||||
@ -279,7 +279,7 @@ namespace
|
||||
|
||||
void FreeTypeFont::BlitGlyph(const FT_Bitmap* ft_bitmap, uint32_t* dst, uint32_t dst_pitch, unsigned char* multiply_table)
|
||||
{
|
||||
IM_ASSERT(ft_bitmap != NULL);
|
||||
IM_ASSERT(ft_bitmap != nullptr);
|
||||
const uint32_t w = ft_bitmap->width;
|
||||
const uint32_t h = ft_bitmap->rows;
|
||||
const uint8_t* src = ft_bitmap->buffer;
|
||||
@ -289,7 +289,7 @@ namespace
|
||||
{
|
||||
case FT_PIXEL_MODE_GRAY: // Grayscale image, 1 byte per pixel.
|
||||
{
|
||||
if (multiply_table == NULL)
|
||||
if (multiply_table == nullptr)
|
||||
{
|
||||
for (uint32_t y = 0; y < h; y++, src += src_pitch, dst += dst_pitch)
|
||||
for (uint32_t x = 0; x < w; x++)
|
||||
@ -324,7 +324,7 @@ namespace
|
||||
{
|
||||
// FIXME: Converting pre-multiplied alpha to straight. Doesn't smell good.
|
||||
#define DE_MULTIPLY(color, alpha) (ImU32)(255.0f * (float)color / (float)alpha + 0.5f)
|
||||
if (multiply_table == NULL)
|
||||
if (multiply_table == nullptr)
|
||||
{
|
||||
for (uint32_t y = 0; y < h; y++, src += src_pitch, dst += dst_pitch)
|
||||
for (uint32_t x = 0; x < w; x++)
|
||||
@ -403,7 +403,7 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
|
||||
ImFontAtlasBuildInit(atlas);
|
||||
|
||||
// Clear atlas
|
||||
atlas->TexID = (ImTextureID)NULL;
|
||||
atlas->TexID = (ImTextureID)nullptr;
|
||||
atlas->TexWidth = atlas->TexHeight = 0;
|
||||
atlas->TexUvScale = ImVec2(0.0f, 0.0f);
|
||||
atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
|
||||
@ -550,12 +550,12 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
|
||||
ImFontBuildSrcGlyphFT& src_glyph = src_tmp.GlyphsList[glyph_i];
|
||||
|
||||
const FT_Glyph_Metrics* metrics = src_tmp.Font.LoadGlyph(src_glyph.Codepoint);
|
||||
if (metrics == NULL)
|
||||
if (metrics == nullptr)
|
||||
continue;
|
||||
|
||||
// Render glyph into a bitmap (currently held by FreeType)
|
||||
const FT_Bitmap* ft_bitmap = src_tmp.Font.RenderGlyphAndGetInfo(&src_glyph.Info);
|
||||
if (ft_bitmap == NULL)
|
||||
if (ft_bitmap == nullptr)
|
||||
continue;
|
||||
|
||||
// Allocate new temporary chunk if needed
|
||||
@ -570,7 +570,7 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
|
||||
// Blit rasterized pixels to our temporary buffer and keep a pointer to it.
|
||||
src_glyph.BitmapData = (unsigned int*)(buf_bitmap_buffers.back() + buf_bitmap_current_used_bytes);
|
||||
buf_bitmap_current_used_bytes += bitmap_size_in_bytes;
|
||||
src_tmp.Font.BlitGlyph(ft_bitmap, src_glyph.BitmapData, src_glyph.Info.Width, multiply_enabled ? multiply_table : NULL);
|
||||
src_tmp.Font.BlitGlyph(ft_bitmap, src_glyph.BitmapData, src_glyph.Info.Width, multiply_enabled ? multiply_table : nullptr);
|
||||
|
||||
src_tmp.Rects[glyph_i].w = (stbrp_coord)(src_glyph.Info.Width + padding);
|
||||
src_tmp.Rects[glyph_i].h = (stbrp_coord)(src_glyph.Info.Height + padding);
|
||||
@ -686,7 +686,7 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
|
||||
size_t blit_src_stride = (size_t)src_glyph.Info.Width;
|
||||
size_t blit_dst_stride = (size_t)atlas->TexWidth;
|
||||
unsigned int* blit_src = src_glyph.BitmapData;
|
||||
if (atlas->TexPixelsAlpha8 != NULL)
|
||||
if (atlas->TexPixelsAlpha8 != nullptr)
|
||||
{
|
||||
unsigned char* blit_dst = atlas->TexPixelsAlpha8 + (ty * blit_dst_stride) + tx;
|
||||
for (int y = 0; y < info.Height; y++, blit_dst += blit_dst_stride, blit_src += blit_src_stride)
|
||||
@ -702,7 +702,7 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
|
||||
}
|
||||
}
|
||||
|
||||
src_tmp.Rects = NULL;
|
||||
src_tmp.Rects = nullptr;
|
||||
}
|
||||
atlas->TexPixelsUseColors = tex_use_colors;
|
||||
|
||||
@ -730,13 +730,13 @@ static void FreeType_Free(FT_Memory /*memory*/, void* block)
|
||||
static void* FreeType_Realloc(FT_Memory /*memory*/, long cur_size, long new_size, void* block)
|
||||
{
|
||||
// Implement realloc() as we don't ask user to provide it.
|
||||
if (block == NULL)
|
||||
if (block == nullptr)
|
||||
return GImGuiFreeTypeAllocFunc((size_t)new_size, GImGuiFreeTypeAllocatorUserData);
|
||||
|
||||
if (new_size == 0)
|
||||
{
|
||||
GImGuiFreeTypeFreeFunc(block, GImGuiFreeTypeAllocatorUserData);
|
||||
return NULL;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
if (new_size > cur_size)
|
||||
@ -754,7 +754,7 @@ static bool ImFontAtlasBuildWithFreeType(ImFontAtlas* atlas)
|
||||
{
|
||||
// FreeType memory management: https://www.freetype.org/freetype2/docs/design/design-4.html
|
||||
FT_MemoryRec_ memory_rec = {};
|
||||
memory_rec.user = NULL;
|
||||
memory_rec.user = nullptr;
|
||||
memory_rec.alloc = &FreeType_Alloc;
|
||||
memory_rec.free = &FreeType_Free;
|
||||
memory_rec.realloc = &FreeType_Realloc;
|
||||
|
@ -40,7 +40,7 @@ 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);
|
||||
IMGUI_API void SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* user_data), void (*free_func)(void* ptr, void* user_data), void* user_data = nullptr);
|
||||
|
||||
// Obsolete names (will be removed soon)
|
||||
// Prefer using '#define IMGUI_ENABLE_FREETYPE'
|
||||
|
Reference in New Issue
Block a user