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Split into renderer and example

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This commit is contained in:
Nic Barker 2025-01-19 13:49:33 +13:00
parent 713fd67fe8
commit ecf00251bf
7 changed files with 84 additions and 39 deletions
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2
CMakeLists.txt
View file

@ -13,7 +13,7 @@ add_subdirectory("examples/raylib-sidebar-scrolling-container")
# add_subdirectory("examples/cairo-pdf-rendering") Some issue with github actions populating cairo, disable for now
if(NOT MSVC)
add_subdirectory("examples/clay-official-website")
add_subdirectory("examples/sdl3_renderer")
add_subdirectory("examples/SDL3-simple-demo")
endif()
add_subdirectory("examples/introducing-clay-video-demo")
add_subdirectory("examples/SDL2-video-demo")

2
examples/sdl3_renderer/CMakeLists.txt → examples/SDL3-simple-demo/CMakeLists.txt
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@ -1,7 +1,7 @@
cmake_minimum_required(VERSION 3.27)
# Project setup
project(clay_sdl3_renderer C)
project(clay_examples_sdl3_simple_demo C)
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g -Wall -Werror")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3")

39
examples/sdl3_renderer/main.c → examples/SDL3-simple-demo/main.c
View file

@ -6,6 +6,8 @@
#define CLAY_IMPLEMENTATION
#include "../../clay.h"
#include "../../renderers/SDL3/clay_renderer_SDL3.c"
static const Uint32 FONT_ID = 0;
static const Clay_Color COLOR_ORANGE = (Clay_Color) {225, 138, 50, 255};
@ -17,10 +19,6 @@ typedef struct app_state {
SDL_Renderer *renderer;
} AppState;
/* This needs to be global because the "MeasureText" callback doesn't have a
* user data parameter */
static TTF_Font *gFonts[1];
static inline Clay_Dimensions SDL_MeasureText(Clay_String *text, Clay_TextElementConfig *config)
{
TTF_Font *font = gFonts[config->fontId];
@ -72,39 +70,6 @@ static Clay_RenderCommandArray Clay_CreateLayout()
return Clay_EndLayout();
}
static void SDL_RenderClayCommands(SDL_Renderer *renderer, Clay_RenderCommandArray *rcommands)
{
for (size_t i = 0; i < rcommands->length; i++) {
Clay_RenderCommand *rcmd = Clay_RenderCommandArray_Get(rcommands, i);
Clay_BoundingBox bounding_box = rcmd->boundingBox;
SDL_FRect rect = { bounding_box.x, bounding_box.y, bounding_box.width, bounding_box.height };
switch (rcmd->commandType) {
case CLAY_RENDER_COMMAND_TYPE_RECTANGLE: {
Clay_RectangleElementConfig *config = rcmd->config.rectangleElementConfig;
Clay_Color color = config->color;
SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, color.a);
SDL_RenderFillRect(renderer, &rect);
} break;
case CLAY_RENDER_COMMAND_TYPE_TEXT: {
Clay_TextElementConfig *config = rcmd->config.textElementConfig;
Clay_String *text = &rcmd->text;
SDL_Color color = { config->textColor.r, config->textColor.g, config->textColor.b, config->textColor.a };
TTF_Font *font = gFonts[config->fontId];
SDL_Surface *surface = TTF_RenderText_Blended(font, text->chars, text->length, color);
SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
SDL_RenderTexture(renderer, texture, NULL, &rect);
SDL_DestroySurface(surface);
SDL_DestroyTexture(texture);
} break;
default:
SDL_Log("Unknown render command type: %d", rcmd->commandType);
}
}
}
void HandleClayErrors(Clay_ErrorData errorData) {
printf("%s", errorData.errorText.chars);
}

0
examples/sdl3_renderer/resources/Roboto-Regular.ttf → examples/SDL3-simple-demo/resources/Roboto-Regular.ttf
View file

33
renderers/SDL2/clay_renderer_SDL2.c
View file

@ -4,6 +4,39 @@
#include <SDL_image.h>
#include <stdio.h>
static void SDL_RenderClayCommands(SDL_Renderer *renderer, Clay_RenderCommandArray *rcommands)
{
for (size_t i = 0; i < rcommands->length; i++) {
Clay_RenderCommand *rcmd = Clay_RenderCommandArray_Get(rcommands, i);
Clay_BoundingBox bounding_box = rcmd->boundingBox;
SDL_FRect rect = { bounding_box.x, bounding_box.y, bounding_box.width, bounding_box.height };
switch (rcmd->commandType) {
case CLAY_RENDER_COMMAND_TYPE_RECTANGLE: {
Clay_RectangleElementConfig *config = rcmd->config.rectangleElementConfig;
Clay_Color color = config->color;
SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, color.a);
SDL_RenderFillRect(renderer, &rect);
} break;
case CLAY_RENDER_COMMAND_TYPE_TEXT: {
Clay_TextElementConfig *config = rcmd->config.textElementConfig;
Clay_String *text = &rcmd->text;
SDL_Color color = { config->textColor.r, config->textColor.g, config->textColor.b, config->textColor.a };
TTF_Font *font = gFonts[config->fontId];
SDL_Surface *surface = TTF_RenderText_Blended(font, text->chars, text->length, color);
SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
SDL_RenderTexture(renderer, texture, NULL, &rect);
SDL_DestroySurface(surface);
SDL_DestroyTexture(texture);
} break;
default:
SDL_Log("Unknown render command type: %d", rcmd->commandType);
}
}
}
#define CLAY_COLOR_TO_SDL_COLOR_ARGS(color) color.r, color.g, color.b, color.a
typedef struct

6
renderers/SDL3/README Normal file
View file

@ -0,0 +1,6 @@
Please note, the SDL3 renderer is not 100% feature complete. It is currently missing:
- Rounded rectangle corners
- Borders
- Images
- Scroll / Scissor handling

41
renderers/SDL3/clay_renderer_SDL3.c Normal file
View file

@ -0,0 +1,41 @@
#include "../../clay.h"
#include <SDL3/SDL_main.h>
#include <SDL3/SDL.h>
#include <SDL3_ttf/SDL_ttf.h>
/* This needs to be global because the "MeasureText" callback doesn't have a
* user data parameter */
static TTF_Font *gFonts[1];
static void SDL_RenderClayCommands(SDL_Renderer *renderer, Clay_RenderCommandArray *rcommands)
{
for (size_t i = 0; i < rcommands->length; i++) {
Clay_RenderCommand *rcmd = Clay_RenderCommandArray_Get(rcommands, i);
Clay_BoundingBox bounding_box = rcmd->boundingBox;
SDL_FRect rect = { bounding_box.x, bounding_box.y, bounding_box.width, bounding_box.height };
switch (rcmd->commandType) {
case CLAY_RENDER_COMMAND_TYPE_RECTANGLE: {
Clay_RectangleElementConfig *config = rcmd->config.rectangleElementConfig;
Clay_Color color = config->color;
SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, color.a);
SDL_RenderFillRect(renderer, &rect);
} break;
case CLAY_RENDER_COMMAND_TYPE_TEXT: {
Clay_TextElementConfig *config = rcmd->config.textElementConfig;
Clay_String *text = &rcmd->text;
SDL_Color color = { config->textColor.r, config->textColor.g, config->textColor.b, config->textColor.a };
TTF_Font *font = gFonts[config->fontId];
SDL_Surface *surface = TTF_RenderText_Blended(font, text->chars, text->length, color);
SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
SDL_RenderTexture(renderer, texture, NULL, &rect);
SDL_DestroySurface(surface);
SDL_DestroyTexture(texture);
} break;
default:
SDL_Log("Unknown render command type: %d", rcmd->commandType);
}
}
}