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Fixed the clipping glitch (bug that caused the window borders and backgrounds to not be rendered).

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Fixed text input bug that could cause the program to crash.
This commit is contained in:
Ricardo Antonio Tejada 2017-02-13 01:59:32 -05:00
parent 2d1ea95600
commit 2babe51576
3 changed files with 17 additions and 23 deletions
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2
demo/sfml_opengl2/build.bat Normal file
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@ -0,0 +1,2 @@
mingw32-make -f Makefile
pause

14
demo/sfml_opengl2/main.cpp
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@ -25,8 +25,8 @@
#include "../../nuklear.h"
#include "nuklear_sfml_gl2.h"
#define WINDOW_WIDTH 1200
#define WINDOW_HEIGHT 800
#define WINDOW_WIDTH 800
#define WINDOW_HEIGHT 600
#define MAX_VERTEX_BUFFER 512 * 1024
#define MAX_ELEMENT_BUFFER 128 * 1024
@ -46,7 +46,7 @@
* and the corresponding function. */
//#include "../style.c"
//#include "../calculator.c"
//#include "../overview.c"
#include "../overview.c"
//#include "../node_editor.c"
/* ===============================================================
@ -54,14 +54,12 @@
* DEMO
*
* ===============================================================*/
static void error_callback(int e, const char *d)
{printf("Error %d: %s\n", e, d);}
int main(void)
{
/* Platform */
sf::ContextSettings settings(24, 8, 4, 2, 2);
sf::Window window(sf::VideoMode(WINDOW_WIDTH, WINDOW_HEIGHT), "Demo", sf::Style::Default, settings);
window.setVerticalSyncEnabled(true);
window.setActive(true);
@ -152,7 +150,7 @@ int main(void)
/* -------------- EXAMPLES ---------------- */
//calculator(ctx);
//overview(ctx);
overview(ctx);
//node_editor(ctx);
/* ----------------------------------------- */
@ -164,7 +162,7 @@ int main(void)
nk_color_fv(bg, background);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(bg[0], bg[1], bg[2], bg[3]);
/* IMPORTANT: `nk_glfw_render` modifies some global OpenGL state
/* IMPORTANT: `nk_sfml_render` modifies some global OpenGL state
* with blending, scissor, face culling and depth test and defaults everything
* back into a default state. Make sure to either save and restore or
* reset your own state after drawing rendering the UI. */

24
demo/sfml_opengl2/nuklear_sfml_gl2.h
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@ -71,13 +71,9 @@ nk_sfml_render(enum nk_anti_aliasing AA, int max_vertex_buffer, int max_element_
{
/* setup global state */
struct nk_sfml_device* dev = &sfml.ogl;
struct nk_vec2 scale;
sf::Vector2u window_size = sfml.window->getSize();
sf::Vector2u view_size = sfml.window->getSize();
scale.x = (float)view_size.x / (float)window_size.x;
scale.y = (float)view_size.y / (float)window_size.y;
int window_width = sfml.window->getSize().x;
int window_height = sfml.window->getSize().y;
glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_TRANSFORM_BIT);
glDisable(GL_CULL_FACE);
@ -87,11 +83,11 @@ nk_sfml_render(enum nk_anti_aliasing AA, int max_vertex_buffer, int max_element_
glEnable(GL_TEXTURE_2D);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glViewport(0, 0, (GLsizei)view_size.x, (GLsizei)view_size.y);
glViewport(0, 0, (GLsizei)window_width, (GLsizei)window_height);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.0f, window_size.x, window_size.y, 0.0f, -1.0f, 1.0f);
glOrtho(0.0f, window_width, window_height, 0.0f, -1.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
@ -152,10 +148,10 @@ nk_sfml_render(enum nk_anti_aliasing AA, int max_vertex_buffer, int max_element_
glBindTexture(GL_TEXTURE_2D, (GLuint)cmd->texture.id);
glScissor(
(GLint)(cmd->clip_rect.x * scale.x),
(GLint)((window_size.y - (GLint)(cmd->clip_rect.y + cmd->clip_rect.h)) * scale.y),
(GLint)(cmd->clip_rect.w * scale.x),
(GLint)(cmd->clip_rect.h * scale.y));
(GLint)(cmd->clip_rect.x),
(GLint)((window_height - (GLint)(cmd->clip_rect.y + cmd->clip_rect.h))),
(GLint)(cmd->clip_rect.w),
(GLint)(cmd->clip_rect.h));
glDrawElements(GL_TRIANGLES, (GLsizei)cmd->elem_count, GL_UNSIGNED_SHORT, offset);
offset += cmd->elem_count;
}
@ -392,9 +388,7 @@ nk_sfml_handle_event(sf::Event* event)
}
else if(event->type == sf::Event::TextEntered)
{
nk_glyph glyph;
memcpy(glyph, (const void*)event->text.unicode, NK_UTF_SIZE);
nk_input_glyph(ctx, glyph);
nk_input_unicode(ctx, event->text.unicode);
return 1;
}