pebble/src/fw/applib/graphics/text_render.h
2025-01-27 11:38:16 -08:00

38 lines
1.4 KiB
C

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "applib/fonts/codepoint.h"
#include "applib/fonts/fonts_private.h"
#include "applib/graphics/gtypes.h"
#include "gtypes.h"
#include <inttypes.h>
typedef struct GContext GContext;
typedef void (*SpecialCodepointHandlerCb)(GContext *ctx, Codepoint codepoint, GRect cursor,
void *context);
void render_glyph(GContext* const ctx, const uint32_t codepoint, FontInfo* const font,
const GRect cursor);
// This function sets a handler callback for handling special codepoints encountered during text
// rendering. This allows special draw operations at the cursor position that the codepoint occurs.
// This must be set to NULL when the window using it goes out of focus.
void text_render_set_special_codepoint_cb(SpecialCodepointHandlerCb handler, void *context);