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switched curve/quad command argument list

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This commit is contained in:
vurtun 2015-09-04 11:51:28 +02:00
parent a1cf25306d
commit 653d19a7e2
3 changed files with 5 additions and 635 deletions
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630
example/nodedit.c
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@ -1,630 +0,0 @@
/*
Copyright (c) 2015
vurtun <polygone@gmx.net>
MIT licence
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <assert.h>
#ifdef _WIN32
#include <windows.h>
#endif
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <SDL2/SDL.h>
#define NANOVG_GLES2_IMPLEMENTATION
#include "nanovg/nanovg.h"
#include "nanovg/nanovg_gl.h"
#include "nanovg/nanovg_gl_utils.h"
/* macros */
#define MAX_BUFFER 64
#define MAX_MEMORY (16 * 1024)
#define WINDOW_WIDTH 1200
#define WINDOW_HEIGHT 800
#define DTIME 33
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) < (b) ? (b) : (a))
#define CLAMP(i,v,x) (MAX(MIN(v,x), i))
#define LEN(a) (sizeof(a)/sizeof(a)[0])
#define UNUSED(a) ((void)(a))
#include "../gui.h"
struct node {
int ID;
char name[32];
struct gui_rect bounds;
gui_float value;
struct gui_color color;
gui_int input_count;
gui_int output_count;
struct node *next;
struct node *prev;
};
struct node_link {
int input_id;
int input_slot;
int output_id;
int output_slot;
struct gui_vec2 in;
struct gui_vec2 out;
};
struct node_editor {
struct node node_buf[32];
struct node_link links[64];
struct node *begin;
struct node *end;
int node_count;
int link_count;
gui_state menu;
struct gui_rect bounds;
struct node *selected;
};
struct gui {
void *memory;
struct gui_window panel;
struct gui_input input;
struct gui_command_queue queue;
struct gui_style config;
struct gui_font font;
};
/* =================================================================
*
* NODE EDITOR
*
* =================================================================
*/
static void
node_editor_push(struct node_editor *editor, struct node *node)
{
if (!editor->begin) {
node->next = NULL;
node->prev = NULL;
editor->begin = node;
editor->end = node;
} else {
node->prev = editor->end;
if (editor->end)
editor->end->next = node;
node->next = NULL;
editor->end = node;
}
}
static void
node_editor_pop(struct node_editor *editor, struct node *node)
{
if (node->next)
node->next->prev = node->prev;
if (node->prev)
node->prev->next = node->next;
if (editor->end == node)
editor->end = node->prev;
if (editor->begin == node)
editor->begin = node->next;
node->next = NULL;
node->prev = NULL;
}
static struct node*
node_editor_find(struct node_editor *editor, int ID)
{
struct node *iter = editor->begin;
while (iter) {
if (iter->ID == ID)
return iter;
iter = iter->next;
}
return NULL;
}
static void
node_editor_add(struct node_editor *editor, const char *name, struct gui_rect bounds,
struct gui_color col, int in_count, int out_count)
{
static int IDs = 0;
struct node *node;
assert((gui_size)editor->node_count < LEN(editor->node_buf));
node = &editor->node_buf[editor->node_count++];
node->ID = IDs++;
node->value = 0;
node->color = gui_rgb(255, 0, 0);
node->input_count = in_count;
node->output_count = out_count;
node->color = col;
strcpy(node->name, name);
node->bounds = bounds;
node_editor_push(editor, node);
}
static void
node_editor_link(struct node_editor *editor, int in_id, int in_slot,
int out_id, int out_slot)
{
static int IDs = 0;
struct node_link *link;
assert((gui_size)editor->link_count < LEN(editor->links));
link = &editor->links[editor->link_count++];
link->input_id = in_id;
link->input_slot = in_slot;
link->output_id = out_id;
link->output_slot = out_slot;
}
static void
node_editor_draw(struct gui_window *win, struct node_editor *nodedit,
struct gui_style *config)
{
struct node *updated = 0;
struct gui_context layout;
gui_begin(&layout, win);
{
int i = 0, n = 0;
gui_header(&layout, "Node Editor", GUI_CLOSEABLE, 0, GUI_HEADER_LEFT);
gui_layout_row_space_begin(&layout, GUI_STATIC, 500, (gui_size)nodedit->node_count);
{
/* execute each node */
struct gui_context node;
struct node *it = nodedit->begin;
const struct gui_input *in = gui_input(&layout);
struct gui_command_buffer *canvas = gui_canvas(&layout);
gui_style_push_color(config, GUI_COLOR_WINDOW, gui_rgb(52, 52, 52));
while (it) {
/* draw node */
gui_layout_row_space_push(&layout, it->bounds);
gui_group_begin(&layout, &node, it->name,
GUI_WINDOW_MOVEABLE, gui_vec2(0,0));
{
struct gui_color color;
const char *str[] = {"R:", "G:", "B:", "A:"};
gui_float ratio[] = {0.25f, 0.75f};
gui_byte *iter = &it->color.r;
/* always have last selected node on top */
if (gui_input_mouse_clicked(in, GUI_BUTTON_LEFT, node.bounds) &&
(!(it->prev && gui_input_mouse_clicked(in, GUI_BUTTON_LEFT,
gui_layout_row_space_rect_to_screen(&layout, node.bounds)))) &&
nodedit->end != it)
{
updated = it;
}
/* color */
gui_layout_row_dynamic(&node, 30, 1);
color = it->color;
gui_button_color(&node, color, GUI_BUTTON_DEFAULT);
/* color picker */
gui_layout_row(&node, GUI_DYNAMIC, 30, 2, ratio);
for (n = 0; n < 3; ++n) {
gui_float t = *iter;
gui_label(&node, str[n], GUI_TEXT_LEFT);
t = gui_slider(&node, 0, t, 255, 10);
*iter = (gui_byte)t;
iter++;
}
}
gui_group_end(&layout, &node);
{
/* draw node connector */
gui_float space;
struct gui_rect bounds;
bounds = gui_layout_row_space_rect_to_local(&layout, node.bounds);
it->bounds = bounds;
space = node.bounds.h / ((it->input_count) + 1);
/* output connector */
for (n = 0; n < it->output_count; ++n) {
gui_command_buffer_push_circle(canvas,
gui_rect((node.bounds.x + node.bounds.w)-4,
node.bounds.y + space * (n+1), 8, 8),
gui_rgb(100, 100, 100));
}
/* input connector */
for (n = 0; n < it->input_count; ++n) {
gui_command_buffer_push_circle(canvas,
gui_rect(node.bounds.x-4, node.bounds.y + space * (n+1), 8, 8),
gui_rgb(100, 100, 100));
}
}
it = it->next;
}
/* draw each link */
for (n = 0; n < nodedit->link_count; ++n) {
struct node_link *link = &nodedit->links[n];
struct node *ni = node_editor_find(nodedit, link->input_id);
struct node *no = node_editor_find(nodedit, link->output_id);
gui_float spacei = node.bounds.h / ((ni->input_count) + 1);
gui_float spaceo = node.bounds.h / ((no->input_count) + 1);
struct gui_vec2 l0 = gui_layout_row_space_to_screen(&layout,
gui_vec2(ni->bounds.x + ni->bounds.w, 3+ni->bounds.y + spacei * (link->input_slot+1)));
struct gui_vec2 l1 = gui_layout_row_space_to_screen(&layout,
gui_vec2(no->bounds.x, 3 + no->bounds.y + spaceo * (link->output_slot+1)));
gui_command_buffer_push_curve(canvas, l0.x, l0.y, l1.x, l1.y,
l0.x + 50.0f, l0.y, l1.x - 50.0f, l1.y, gui_rgb(100, 100, 100));
}
gui_style_pop_color(config);
if (updated) {
node_editor_pop(nodedit, updated);
node_editor_push(nodedit, updated);
}
{
/* right click popup context menu activation */
if (nodedit->menu == GUI_INACTIVE &&
gui_input_mouse_clicked(in, GUI_BUTTON_RIGHT,
gui_layout_row_space_bounds(&layout))) {
it = nodedit->begin;
nodedit->selected = NULL;
nodedit->menu = GUI_ACTIVE;
nodedit->bounds = gui_rect(in->mouse.pos.x, in->mouse.pos.y, 100, 200);
while (it) {
if (gui_input_is_mouse_hovering_rect(in,
gui_layout_row_space_rect_to_screen(&layout, it->bounds)))
nodedit->selected = it;
it = it->next;
}
}
/* popup context menu */
if (nodedit->menu == GUI_ACTIVE) {
struct gui_context menu;
gui_popup_nonblock_begin(&layout, &menu, GUI_WINDOW_NO_SCROLLBAR, &nodedit->menu,
nodedit->bounds);
gui_layout_row_dynamic(&menu, 25, 1);
if (!nodedit->selected) {
if (gui_button_invisible(&menu, "New", GUI_TEXT_CENTERED, GUI_BUTTON_DEFAULT)) {
fprintf(stdout, "pressed new!\n");
nodedit->menu = gui_popup_nonblock_close(&menu);
node_editor_add(nodedit, "New", gui_rect(400, 260, 180, 220),
gui_rgb(255, 255, 255), 2, 2);
}
} else {
if (gui_button_invisible(&menu, "Delete", GUI_TEXT_CENTERED, GUI_BUTTON_DEFAULT)) {
fprintf(stdout, "pressed delete!\n");
nodedit->menu = gui_popup_nonblock_close(&menu);
}
if (gui_button_invisible(&menu, "Rename", GUI_TEXT_CENTERED, GUI_BUTTON_DEFAULT)) {
fprintf(stdout, "pressed rename!\n");
nodedit->menu = gui_popup_nonblock_close(&menu);
}
if (gui_button_invisible(&menu, "Copy", GUI_TEXT_CENTERED, GUI_BUTTON_DEFAULT)) {
fprintf(stdout, "pressed copy!\n");
nodedit->menu = gui_popup_nonblock_close(&menu);
}
}
gui_popup_nonblock_end(&layout, &menu);
}
}
}
gui_layout_row_space_end(&layout);
}
gui_end(&layout, win);
}
static void
node_editor_init(struct node_editor *editor)
{
memset(editor, 0, sizeof(*editor));
editor->begin = NULL;
editor->end = NULL;
node_editor_add(editor, "MainTex", gui_rect(40, 10, 180, 220), gui_rgb(255, 0, 0), 1, 1);
node_editor_add(editor, "BumpMap", gui_rect(40, 260, 180, 220), gui_rgb(0, 255, 0), 1, 1);
node_editor_add(editor, "Combine", gui_rect(400, 100, 180, 220), gui_rgb(0,0,255), 2, 2);
node_editor_link(editor, 0, 0, 2, 0);
node_editor_link(editor, 1, 0, 2, 1);
}
/* =================================================================
*
* APP
*
* =================================================================
*/
static void
die(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fputs("\n", stderr);
exit(EXIT_FAILURE);
}
static gui_size
font_get_width(gui_handle handle, const gui_char *text, gui_size len)
{
gui_size width;
float bounds[4];
NVGcontext *ctx = (NVGcontext*)handle.ptr;
nvgTextBounds(ctx, 0, 0, text, &text[len], bounds);
width = (gui_size)(bounds[2] - bounds[0]);
return width;
}
static void
draw(NVGcontext *nvg, struct gui_command_queue *queue, int width, int height)
{
const struct gui_command *cmd;
glPushAttrib(GL_ENABLE_BIT|GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_SCISSOR_TEST);
glEnable(GL_TEXTURE_2D);
nvgBeginFrame(nvg, width, height, ((float)width/(float)height));
gui_foreach_command(cmd, queue) {
switch (cmd->type) {
case GUI_COMMAND_NOP: break;
case GUI_COMMAND_SCISSOR: {
const struct gui_command_scissor *s = gui_command(scissor, cmd);
nvgScissor(nvg, s->x, s->y, s->w, s->h);
} break;
case GUI_COMMAND_LINE: {
const struct gui_command_line *l = gui_command(line, cmd);
nvgBeginPath(nvg);
nvgMoveTo(nvg, l->begin.x, l->begin.y);
nvgLineTo(nvg, l->end.x, l->end.y);
nvgFillColor(nvg, nvgRGBA(l->color.r, l->color.g, l->color.b, l->color.a));
nvgFill(nvg);
} break;
case GUI_COMMAND_QUAD: {
const struct gui_command_quad *q = gui_command(quad, cmd);
nvgBeginPath(nvg);
nvgMoveTo(nvg, q->begin.x, q->begin.y);
nvgQuadTo(nvg, q->ctrl.x, q->ctrl.y, q->end.x, q->end.y);
nvgStrokeColor(nvg, nvgRGBA(q->color.r, q->color.g, q->color.b, q->color.a));
nvgStroke(nvg);
} break;
case GUI_COMMAND_CURVE: {
const struct gui_command_curve *q = gui_command(curve, cmd);
nvgBeginPath(nvg);
nvgMoveTo(nvg, q->begin.x, q->begin.y);
nvgBezierTo(nvg, q->ctrl[0].x, q->ctrl[0].y, q->ctrl[1].x,
q->ctrl[1].y, q->end.x, q->end.y);
nvgStrokeColor(nvg, nvgRGBA(q->color.r, q->color.g, q->color.b, q->color.a));
nvgStroke(nvg);
} break;
case GUI_COMMAND_RECT: {
const struct gui_command_rect *r = gui_command(rect, cmd);
nvgBeginPath(nvg);
nvgRoundedRect(nvg, r->x, r->y, r->w, r->h, r->rounding);
nvgFillColor(nvg, nvgRGBA(r->color.r, r->color.g, r->color.b, r->color.a));
nvgFill(nvg);
} break;
case GUI_COMMAND_CIRCLE: {
const struct gui_command_circle *c = gui_command(circle, cmd);
nvgBeginPath(nvg);
nvgCircle(nvg, c->x + (c->w/2.0f), c->y + c->w/2.0f, c->w/2.0f);
nvgFillColor(nvg, nvgRGBA(c->color.r, c->color.g, c->color.b, c->color.a));
nvgFill(nvg);
} break;
case GUI_COMMAND_TRIANGLE: {
const struct gui_command_triangle *t = gui_command(triangle, cmd);
nvgBeginPath(nvg);
nvgMoveTo(nvg, t->a.x, t->a.y);
nvgLineTo(nvg, t->b.x, t->b.y);
nvgLineTo(nvg, t->c.x, t->c.y);
nvgLineTo(nvg, t->a.x, t->a.y);
nvgFillColor(nvg, nvgRGBA(t->color.r, t->color.g, t->color.b, t->color.a));
nvgFill(nvg);
} break;
case GUI_COMMAND_TEXT: {
const struct gui_command_text *t = gui_command(text, cmd);
nvgBeginPath(nvg);
nvgRoundedRect(nvg, t->x, t->y, t->w, t->h, 0);
nvgFillColor(nvg, nvgRGBA(t->background.r, t->background.g,
t->background.b, t->background.a));
nvgFill(nvg);
nvgBeginPath(nvg);
nvgFillColor(nvg, nvgRGBA(t->foreground.r, t->foreground.g,
t->foreground.b, t->foreground.a));
nvgTextAlign(nvg, NVG_ALIGN_MIDDLE);
nvgText(nvg, t->x, t->y + t->h * 0.5f, t->string, &t->string[t->length]);
nvgFill(nvg);
} break;
case GUI_COMMAND_IMAGE: {
const struct gui_command_image *i = gui_command(image, cmd);
NVGpaint imgpaint;
imgpaint = nvgImagePattern(nvg, i->x, i->y, i->w, i->h, 0, i->img.handle.id, 1.0f);
nvgBeginPath(nvg);
nvgRoundedRect(nvg, i->x, i->y, i->w, i->h, 0);
nvgFillPaint(nvg, imgpaint);
nvgFill(nvg);
} break;
case GUI_COMMAND_MAX:
default: break;
}
}
gui_command_queue_clear(queue);
nvgResetScissor(nvg);
nvgEndFrame(nvg);
glPopAttrib();
}
static void
key(struct gui_input *in, SDL_Event *evt, gui_bool down)
{
const Uint8* state = SDL_GetKeyboardState(NULL);
SDL_Keycode sym = evt->key.keysym.sym;
if (sym == SDLK_RSHIFT || sym == SDLK_LSHIFT)
gui_input_key(in, GUI_KEY_SHIFT, down);
else if (sym == SDLK_DELETE)
gui_input_key(in, GUI_KEY_DEL, down);
else if (sym == SDLK_RETURN)
gui_input_key(in, GUI_KEY_ENTER, down);
else if (sym == SDLK_SPACE)
gui_input_key(in, GUI_KEY_SPACE, down);
else if (sym == SDLK_BACKSPACE)
gui_input_key(in, GUI_KEY_BACKSPACE, down);
else if (sym == SDLK_LEFT)
gui_input_key(in, GUI_KEY_LEFT, down);
else if (sym == SDLK_RIGHT)
gui_input_key(in, GUI_KEY_RIGHT, down);
else if (sym == SDLK_c)
gui_input_key(in, GUI_KEY_COPY, down && state[SDL_SCANCODE_LCTRL]);
else if (sym == SDLK_v)
gui_input_key(in, GUI_KEY_PASTE, down && state[SDL_SCANCODE_LCTRL]);
else if (sym == SDLK_x)
gui_input_key(in, GUI_KEY_CUT, down && state[SDL_SCANCODE_LCTRL]);
}
static void
motion(struct gui_input *in, SDL_Event *evt)
{
const gui_int x = evt->motion.x;
const gui_int y = evt->motion.y;
gui_input_motion(in, x, y);
}
static void
btn(struct gui_input *in, SDL_Event *evt, gui_bool down)
{
const gui_int x = evt->button.x;
const gui_int y = evt->button.y;
if (evt->button.button == SDL_BUTTON_LEFT)
gui_input_button(in, GUI_BUTTON_LEFT, x, y, down);
else if (evt->button.button == SDL_BUTTON_RIGHT)
gui_input_button(in, GUI_BUTTON_RIGHT, x, y, down);
}
static void
text(struct gui_input *in, SDL_Event *evt)
{
gui_glyph glyph;
memcpy(glyph, evt->text.text, GUI_UTF_SIZE);
gui_input_glyph(in, glyph);
}
static void
resize(SDL_Event *evt)
{
if (evt->window.event != SDL_WINDOWEVENT_RESIZED) return;
glViewport(0, 0, evt->window.data1, evt->window.data2);
}
int
main(int argc, char *argv[])
{
/* Platform */
int width, height;
const char *font_path;
gui_size font_height;
SDL_Window *win;
SDL_GLContext glContext;
NVGcontext *vg = NULL;
unsigned int started;
unsigned int dt;
gui_bool running = gui_true;
/* GUI */
struct node_editor nodedit;
struct gui gui;
if (argc < 2) {
fprintf(stdout,"Missing TTF Font file argument: gui <path>\n");
exit(EXIT_FAILURE);
}
font_path = argv[1];
font_height = 10;
/* SDL */
SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
win = SDL_CreateWindow("Demo",
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_OPENGL|SDL_WINDOW_SHOWN);
glContext = SDL_GL_CreateContext(win);
SDL_GetWindowSize(win, &width, &height);
/* OpenGL */
glewExperimental = 1;
if (glewInit() != GLEW_OK)
die("[GLEW] failed setup\n");
glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
/* nanovg */
vg = nvgCreateGLES2(NVG_ANTIALIAS|NVG_DEBUG);
if (!vg) die("[NVG]: failed to init\n");
nvgCreateFont(vg, "fixed", font_path);
nvgFontFace(vg, "fixed");
nvgFontSize(vg, font_height);
nvgTextAlign(vg, NVG_ALIGN_LEFT|NVG_ALIGN_MIDDLE);
/* GUI */
memset(&gui, 0, sizeof gui);
gui.memory = malloc(MAX_MEMORY);
gui_command_queue_init_fixed(&gui.queue, gui.memory, MAX_MEMORY);
gui.font.userdata.ptr = vg;
nvgTextMetrics(vg, NULL, NULL, &gui.font.height);
gui.font.width = font_get_width;
gui_style_default(&gui.config, GUI_DEFAULT_ALL, &gui.font);
gui_window_init(&gui.panel, gui_rect(50, 50, 700, 600),
GUI_WINDOW_BORDER|GUI_WINDOW_MOVEABLE,
&gui.queue, &gui.config, &gui.input);
node_editor_init(&nodedit);
while (running) {
/* Input */
SDL_Event evt;
started = SDL_GetTicks();
gui_input_begin(&gui.input);
while (SDL_PollEvent(&evt)) {
if (evt.type == SDL_WINDOWEVENT) resize(&evt);
else if (evt.type == SDL_QUIT) goto cleanup;
else if (evt.type == SDL_KEYUP) key(&gui.input, &evt, gui_false);
else if (evt.type == SDL_KEYDOWN) key(&gui.input, &evt, gui_true);
else if (evt.type == SDL_MOUSEBUTTONDOWN) btn(&gui.input, &evt, gui_true);
else if (evt.type == SDL_MOUSEBUTTONUP) btn(&gui.input, &evt, gui_false);
else if (evt.type == SDL_MOUSEMOTION) motion(&gui.input, &evt);
else if (evt.type == SDL_TEXTINPUT) text(&gui.input, &evt);
else if (evt.type == SDL_MOUSEWHEEL) gui_input_scroll(&gui.input, evt.wheel.y);
}
gui_input_end(&gui.input);
/* GUI */
glClearColor(0.4f, 0.4f, 0.4f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
SDL_GetWindowSize(win, &width, &height);
node_editor_draw(&gui.panel, &nodedit, &gui.config);
draw(vg, &gui.queue, width, height);
SDL_GL_SwapWindow(win);
/* Timing */
dt = SDL_GetTicks() - started;
if (dt < DTIME)
SDL_Delay(DTIME - dt);
}
cleanup:
/* Cleanup */
free(gui.memory);
nvgDeleteGLES2(vg);
SDL_GL_DeleteContext(glContext);
SDL_DestroyWindow(win);
SDL_Quit();
return 0;
}

6
gui.c
View File

@ -961,7 +961,7 @@ gui_command_buffer_push_line(struct gui_command_buffer *b, gui_float x0, gui_flo
void
gui_command_buffer_push_quad(struct gui_command_buffer *b, gui_float ax, gui_float ay,
gui_float bx, gui_float by, gui_float ctrlx, gui_float ctrly, struct gui_color col)
gui_float ctrlx, gui_float ctrly, gui_float bx, gui_float by, struct gui_color col)
{
struct gui_command_quad *cmd;
cmd = (struct gui_command_quad*)
@ -979,8 +979,8 @@ gui_command_buffer_push_quad(struct gui_command_buffer *b, gui_float ax, gui_flo
void
gui_command_buffer_push_curve(struct gui_command_buffer *b, gui_float ax, gui_float ay,
gui_float bx, gui_float by, gui_float ctrl0x, gui_float ctrl0y,
gui_float ctrl1x, gui_float ctrl1y, struct gui_color col)
gui_float ctrl0x, gui_float ctrl0y, gui_float ctrl1x, gui_float ctrl1y,
gui_float bx, gui_float by, struct gui_color col)
{
struct gui_command_curve *cmd;
GUI_ASSERT(b);

4
gui.h
View File

@ -723,8 +723,8 @@ void gui_command_buffer_push_quad(struct gui_command_buffer*, gui_float, gui_flo
Input:
- buffer to push the clip rectangle command into
- starting point (x,y) of the line
- ending point (x,y) of the line
- control point (x,y) of the line
- ending point (x,y) of the line
- color of the line to draw
*/
void gui_command_buffer_push_curve(struct gui_command_buffer*, gui_float, gui_float,
@ -734,9 +734,9 @@ void gui_command_buffer_push_curve(struct gui_command_buffer*, gui_float, gui_fl
Input:
- buffer to push the clip rectangle command into
- starting point (x,y) of the line
- ending point (x,y) of the line
- first control point (x,y) of the line
- second control point (x,y) of the line
- ending point (x,y) of the line
- color of the line to draw
*/
void