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accept font names, as well as font paths

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This commit is contained in:
Ryan Fleury
2025-04-26 21:41:27 -07:00
parent 693ba7d077
commit 66187931aa
6 changed files with 78 additions and 26 deletions
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src/font_provider/dwrite/font_provider_dwrite.c
+52 -6
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@@ -318,18 +318,64 @@ fp_font_open(String8 path)
{
ProfBeginFunction();
Temp scratch = scratch_begin(0, 0);
String16 path16 = str16_from_8(scratch.arena, path);
FP_DWrite_Font font = {0};
HRESULT error = 0;
//- rjf: open font file reference
error = IDWriteFactory_CreateFontFileReference(fp_dwrite_state->factory, (WCHAR *)path16.str, 0, &font.file);
//- rjf: build initial path task
typedef struct PathTask PathTask;
struct PathTask
{
PathTask *next;
String8 path;
};
PathTask start_task = {0, path};
PathTask *first_task = &start_task;
PathTask *last_task = first_task;
//- rjf: open font face
error = IDWriteFactory_CreateFontFace(fp_dwrite_state->factory, DWRITE_FONT_FACE_TYPE_TRUETYPE, 1, &font.file, 0, DWRITE_FONT_SIMULATIONS_NONE, &font.face);
//- rjf: try to open font
for(PathTask *t = first_task; t != 0 && font.file == 0; t = t->next)
{
String16 path16 = str16_from_8(scratch.arena, t->path);
error = IDWriteFactory_CreateFontFileReference(fp_dwrite_state->factory, (WCHAR *)path16.str, 0, &font.file);
error = IDWriteFactory_CreateFontFace(fp_dwrite_state->factory, DWRITE_FONT_FACE_TYPE_TRUETYPE, 1, &font.file, 0, DWRITE_FONT_SIMULATIONS_NONE, &font.face);
// rjf: failure trying just the normal path? -> generate new tasks that search in system folders
if(t == first_task && font.file == 0)
{
// rjf: generate task for user-installed fonts
{
HKEY reg_key = 0;
LSTATUS status = 0;
char name[256] = {0};
char data[256] = {0};
DWORD name_size = sizeof(name);
DWORD data_size = sizeof(data);
DWORD type = 0;
status = RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders\\Fonts", 0, KEY_QUERY_VALUE, &reg_key);
status = RegEnumValueA(reg_key, 0, name, &name_size, 0, &type, data, &data_size);
String8 user_fonts_path = str8_cstring(data);
PathTask *task = push_array(scratch.arena, PathTask, 1);
task->path = push_str8f(scratch.arena, "%s/%S", user_fonts_path, path);
SLLQueuePush(first_task, last_task, task);
}
// rjf: generate task for windows directory (C:/Windows/Fonts, generally)
{
char windows_path[256] = {0};
GetWindowsDirectoryA(windows_path, sizeof(windows_path));
PathTask *task = push_array(scratch.arena, PathTask, 1);
task->path = push_str8f(scratch.arena, "%s/Fonts/%S", windows_path, path);
SLLQueuePush(first_task, last_task, task);
}
}
}
//- rjf: handlify & return
FP_Handle handle = fp_dwrite_handle_from_font(font);
FP_Handle handle = {0};
if(font.file != 0)
{
handle = fp_dwrite_handle_from_font(font);
}
scratch_end(scratch);
ProfEnd();
return handle;