DISTRHO
/
gl-examples
mirror of https://github.com/DISTRHO/gl-examples
1
0
Fork 0
Code Releases 0 Activity
Browse Source

Initial commit

pull/1/head
falkTX 11 years ago
commit
8e619fd236
17 changed files with 8061 additions and 0 deletions
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +14
    -0
      .gitignore
  2. +3
    -0
      .gitmodules
  3. +13
    -0
      LICENSE
  4. +25
    -0
      Makefile
  5. +1
    -0
      dpf
  6. +68
    -0
      examples/Makefile
  7. +43
    -0
      examples/app.cpp
  8. +149
    -0
      examples/color.cpp
  9. +213
    -0
      examples/images.cpp
  10. +3
    -0
      examples/images_src/CREDITS.txt
  11. +7083
    -0
      examples/images_src/CatPics.cpp
  12. +25
    -0
      examples/images_src/CatPics.hpp
  13. BIN
      examples/images_src/cat1.png
  14. BIN
      examples/images_src/cat2.png
  15. BIN
      examples/images_src/cat3.png
  16. +213
    -0
      examples/tests/cairo.cpp
  17. +208
    -0
      examples/tests/text.cpp

+ 14
- 0
.gitignore View File

@@ -0,0 +1,14 @@
*.a
*.o

*.exe
*.dll
*.dylib
*.so

.kdev_include_paths
.kdev4/

examples/app
examples/color
examples/images

+ 3
- 0
.gitmodules View File

@@ -0,0 +1,3 @@
[submodule "dpf"]
path = dpf
url = git://github.com/DISTRHO/DPF

+ 13
- 0
LICENSE View File

@@ -0,0 +1,13 @@
DISTRHO Plugin Framework (DPF)
Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>

Permission to use, copy, modify, and/or distribute this software for any purpose with
or without fee is hereby granted, provided that the above copyright notice and this
permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

+ 25
- 0
Makefile View File

@@ -0,0 +1,25 @@
#!/usr/bin/make -f
# Makefile for DPF examples #
# ------------------------- #
# Created by falkTX
#

all: libs examples

# --------------------------------------------------------------

libs:
$(MAKE) -C dpf/dgl

examples: libs
$(MAKE) build -C examples

# --------------------------------------------------------------

clean:
$(MAKE) clean -C dpf/dgl
$(MAKE) clean -C dpf/examples

# --------------------------------------------------------------

.PHONY: examples

+ 1
- 0
dpf

@@ -0,0 +1 @@
Subproject commit d17a8706cc9d0c4540eb6bb09dd3357f9e3a8437

+ 68
- 0
examples/Makefile View File

@@ -0,0 +1,68 @@
#!/usr/bin/make -f
# Makefile for DPF examples #
# ------------------------- #
# Created by falkTX
#

include ../dpf/dgl/Makefile.mk

# --------------------------------------------------------------

BUILD_CXX_FLAGS += -I../dpf/dgl
LINK_FLAGS += -L../dpf -ldgl $(DGL_LIBS)

# --------------------------------------------------------------

ifeq ($(WIN32),true)
TARGETS = app.exe color.exe images.exe
else
TARGETS = app color images
endif

# --------------------------------------------------------------

all: ../libdgl.a $(TARGETS)
build: $(TARGETS)

clean:
$(MAKE) -C ../dgl clean
$(RM) $(TARGETS)

debug:
$(MAKE) DEBUG=true

# --------------------------------------------------------------

%.exe: %
rm -f $*.exe
mv $* $*.exe
ln -sf $*.exe $*

../libdgl.a: .FORCE
$(MAKE) -C ../dpf/dgl

# --------------------------------------------------------------

app: app.cpp ../dpf/dgl/*
$(CXX) $< $(BUILD_CXX_FLAGS) $(LINK_FLAGS) -o $@

color: color.cpp ../dpf/dgl/*
$(CXX) $< $(BUILD_CXX_FLAGS) $(LINK_FLAGS) -o $@

images: images.cpp images_src/* ../dpf/dgl/*
$(CXX) $< $(BUILD_CXX_FLAGS) $(LINK_FLAGS) -o $@

# --------------------------------------------------------------

cairo: cairo.cpp ../dgl/*
$(CXX) $< $(BUILD_CXX_FLAGS) $(shell pkg-config --cflags --libs cairo) $(LINK_FLAGS) -o $@

text: text.cpp ../dgl/*
$(CXX) $< $(BUILD_CXX_FLAGS) $(LINK_FLAGS) -o $@

# --------------------------------------------------------------

.FORCE:
.PHONY: .FORCE

# --------------------------------------------------------------

+ 43
- 0
examples/app.cpp View File

@@ -0,0 +1,43 @@
/*
* DISTRHO Plugin Framework (DPF)
* Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with
* or without fee is hereby granted, provided that the above copyright notice and this
* permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

// ------------------------------------------------------
// DGL Stuff

#include "App.hpp"
#include "Window.hpp"

// ------------------------------------------------------
// use namespace

using namespace DGL;

// ------------------------------------------------------
// main entry point

int main()
{
App app;
Window win(app);

win.setTitle("App");
win.show();
app.exec();

return 0;
}

// ------------------------------------------------------

+ 149
- 0
examples/color.cpp View File

@@ -0,0 +1,149 @@
/*
* DISTRHO Plugin Framework (DPF)
* Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with
* or without fee is hereby granted, provided that the above copyright notice and this
* permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

// ------------------------------------------------------
// DGL Stuff

#include "App.hpp"
#include "Window.hpp"
#include "Widget.hpp"

// ------------------------------------------------------
// use namespace

using namespace DGL;

// ------------------------------------------------------
// Single color widget

class ColorWidget : public Widget,
public IdleCallback
{
public:
ColorWidget(Window& parent)
: Widget(parent),
cur('r'),
reverse(false),
r(0), g(0), b(0)
{
parent.addIdleCallback(this);
}

private:
void idleCallback() override
{
switch (cur)
{
case 'r':
if (reverse)
{
if (--r == 0)
cur = 'g';
}
else
{
if (++r == 100)
cur = 'g';
}
break;

case 'g':
if (reverse)
{
if (--g == 0)
cur = 'b';
}
else
{
if (++g == 100)
cur = 'b';
}
break;

case 'b':
if (reverse)
{
if (--b == 0)
{
cur = 'r';
reverse = false;
}
}
else
{
if (++b == 100)
{
cur = 'r';
reverse = true;
}
}
break;
}

repaint();
}

void onDisplay() override
{
// paint bg color (in full size)
glColor3b(r, g, b);
bgFull.draw();

// paint inverted color (in 2/3 size)
glColor3b(100-r, 100-g, 100-b);
bgSmall.draw();
}

void onReshape(int width, int height) override
{
// full bg
bgFull = Rectangle<int>(0, 0, width, height);

// small bg, centered 2/3 size
bgSmall = Rectangle<int>(width/6, height/6, width*2/3, height*2/3);

// make widget same size as window
setSize(width, height);

// default reshape implementation
Widget::onReshape(width, height);
}

char cur;
bool reverse;
int r, g, b;

Rectangle<int> bgFull, bgSmall;
};

// ------------------------------------------------------
// main entry point

int main()
{
App app;
Window win(app);
ColorWidget color(win);

win.setSize(300, 300);
win.setTitle("Color");
win.show();
app.exec();

return 0;
}

// ------------------------------------------------------

+ 213
- 0
examples/images.cpp View File

@@ -0,0 +1,213 @@
/*
* DISTRHO Plugin Framework (DPF)
* Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with
* or without fee is hereby granted, provided that the above copyright notice and this
* permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

// ------------------------------------------------------
// Pics

#include "dgl-images_src/CatPics.cpp"

// ------------------------------------------------------
// DGL Stuff

#include "Image.hpp"
#include "Widget.hpp"
#include "StandaloneWindow.hpp"

// ------------------------------------------------------
// use namespace

using namespace DGL;

// ------------------------------------------------------
// our widget

class ExampleImagesWidget : public Widget,
public IdleCallback
{
public:
static const int kImg1y = 0;
static const int kImg2y = 500/2-CatPics::cat2Height/2;
static const int kImg3x = 400/3-CatPics::cat3Width/3;

static const int kImg1max = 500-CatPics::cat1Width;
static const int kImg2max = 500-CatPics::cat2Width;
static const int kImg3max = 400-CatPics::cat3Height;

ExampleImagesWidget(Window& win)
: Widget(win),
fImgTop1st(1),
fImgTop2nd(2),
fImgTop3rd(3),
fImg1x(0),
fImg2x(kImg2max),
fImg3y(kImg3max),
fImg1rev(false),
fImg2rev(true),
fImg3rev(true),
fImg1(CatPics::cat1Data, CatPics::cat1Width, CatPics::cat1Height, GL_BGR),
fImg2(CatPics::cat2Data, CatPics::cat2Width, CatPics::cat2Height, GL_BGR),
fImg3(CatPics::cat3Data, CatPics::cat3Width, CatPics::cat3Height, GL_BGR)
{
win.addIdleCallback(this);
}

private:
void idleCallback() override
{
if (fImg1rev)
{
fImg1x -= 2;
if (fImg1x <= -50)
{
fImg1rev = false;
setNewTopImg(1);
}
}
else
{
fImg1x += 2;
if (fImg1x >= kImg1max+50)
{
fImg1rev = true;
setNewTopImg(1);
}
}

if (fImg2rev)
{
fImg2x -= 1;
if (fImg2x <= -50)
{
fImg2rev = false;
setNewTopImg(2);
}
}
else
{
fImg2x += 4;
if (fImg2x >= kImg2max+50)
{
fImg2rev = true;
setNewTopImg(2);
}
}

if (fImg3rev)
{
fImg3y -= 3;
if (fImg3y <= -50)
{
fImg3rev = false;
setNewTopImg(3);
}
}
else
{
fImg3y += 3;
if (fImg3y >= kImg3max+50)
{
fImg3rev = true;
setNewTopImg(3);
}
}

repaint();
}

void onDisplay() override
{
switch (fImgTop3rd)
{
case 1:
fImg1.drawAt(fImg1x, kImg1y);
break;
case 2:
fImg2.drawAt(fImg2x, kImg2y);
break;
case 3:
fImg3.drawAt(kImg3x, fImg3y);
break;
};

switch (fImgTop2nd)
{
case 1:
fImg1.drawAt(fImg1x, kImg1y);
break;
case 2:
fImg2.drawAt(fImg2x, kImg2y);
break;
case 3:
fImg3.drawAt(kImg3x, fImg3y);
break;
};

switch (fImgTop1st)
{
case 1:
fImg1.drawAt(fImg1x, kImg1y);
break;
case 2:
fImg2.drawAt(fImg2x, kImg2y);
break;
case 3:
fImg3.drawAt(kImg3x, fImg3y);
break;
};
}

void setNewTopImg(const int imgId)
{
if (fImgTop1st == imgId)
return;

if (fImgTop2nd == imgId)
{
fImgTop2nd = fImgTop1st;
fImgTop1st = imgId;
return;
}

fImgTop3rd = fImgTop2nd;
fImgTop2nd = fImgTop1st;
fImgTop1st = imgId;
}

int fImgTop1st, fImgTop2nd, fImgTop3rd;
int fImg1x, fImg2x, fImg3y;
bool fImg1rev, fImg2rev, fImg3rev;
Image fImg1, fImg2, fImg3;
};

// ------------------------------------------------------
// main entry point

int main()
{
App app;
Window win(app);
ExampleImagesWidget images(win);

win.setResizable(false);
win.setSize(500, 400);
win.setTitle("Images");
win.show();
app.exec();

return 0;
}

// ------------------------------------------------------

+ 3
- 0
examples/images_src/CREDITS.txt View File

@@ -0,0 +1,3 @@
cat1.png: http://www.flickr.com/photos/tomitapio/4305303148/
cat2.png: http://www.flickr.com/photos/aigle_dore/6672148713/
cat3.png: http://www.flickr.com/photos/aigle_dore/5889008066/

+ 7083
- 0
examples/images_src/CatPics.cpp
File diff suppressed because it is too large
View File


+ 25
- 0
examples/images_src/CatPics.hpp View File

@@ -0,0 +1,25 @@
/* (Auto-generated binary data file). */

#ifndef BINARY_CATPICS_HPP
#define BINARY_CATPICS_HPP

namespace CatPics
{
extern const char* cat1Data;
const unsigned int cat1DataSize = 216090;
const unsigned int cat1Width = 294;
const unsigned int cat1Height = 245;

extern const char* cat2Data;
const unsigned int cat2DataSize = 117600;
const unsigned int cat2Width = 245;
const unsigned int cat2Height = 160;

extern const char* cat3Data;
const unsigned int cat3DataSize = 111600;
const unsigned int cat3Width = 248;
const unsigned int cat3Height = 150;
}

#endif // BINARY_CATPICS_HPP


BIN
examples/images_src/cat1.png View File

Before After
Width: 294  |  Height: 245  |  Size: 119KB

BIN
examples/images_src/cat2.png View File

Before After
Width: 245  |  Height: 160  |  Size: 69KB

BIN
examples/images_src/cat3.png View File

Before After
Width: 248  |  Height: 150  |  Size: 63KB

+ 213
- 0
examples/tests/cairo.cpp View File

@@ -0,0 +1,213 @@
/*
* DISTRHO Plugin Framework (DPF)
* Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with
* or without fee is hereby granted, provided that the above copyright notice and this
* permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

// ------------------------------------------------------
// DGL Stuff

#include "App.hpp"
#include "CairoWidget.hpp"
#include "Window.hpp"

#include <cstdio>

// ------------------------------------------------------
// use namespace

using namespace DGL;

// ------------------------------------------------------
// Background widget (cairo will be painted on top)

class BackgroundWidget : public Widget
{
public:
BackgroundWidget(Window& parent)
: Widget(parent)
{
}

private:
void onDisplay() override
{
int x = 0;
int y = 0;
int width = getWidth();
int height = getHeight();

// paint bg color (in full size)
glColor3b(20, 80, 20);

glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2i(x, y);

glTexCoord2f(1.0f, 0.0f);
glVertex2i(x+width, y);

glTexCoord2f(1.0f, 1.0f);
glVertex2i(x+width, y+height);

glTexCoord2f(0.0f, 1.0f);
glVertex2i(x, y+height);
glEnd();
}

void onReshape(int width, int height) override
{
// make this widget same size as window
setSize(width, height);
Widget::onReshape(width, height);
}
};

// ------------------------------------------------------
// Custom Cairo Widget

class CustomCairoWidget : public CairoWidget,
public IdleCallback
{
public:
CustomCairoWidget(Window& parent)
: CairoWidget(parent),
value(0.0f),
pressed(false)
{
setSize(100, 100);
}

private:
void idleCallback() override
{
value += 0.001f;

if (value > 1.0f)
value = 0;

repaint();
}

void cairoDisplay(cairo_t* const context) override
{
const int w = getWidth();
const int h = getHeight();

float radius = 40.0f;

// * 0.9 for line width to remain inside redraw area
if (w > h)
radius = (h / 2.0f)*0.9f;
else
radius = (w / 2.0f)*0.9f;

cairo_save(context);

cairo_rectangle(context, 0, 0, w, h );
cairo_set_source_rgba(context, 1.1, 0.1, 0.1, 0 );
cairo_fill(context);

cairo_set_line_join(context, CAIRO_LINE_JOIN_ROUND);
cairo_set_line_cap(context, CAIRO_LINE_CAP_ROUND);

cairo_set_line_width(context, 5-0.2);
cairo_move_to(context, w/2, h/2);
cairo_line_to(context, w/2, h/2);
cairo_set_source_rgba(context, 0.1, 0.1, 0.1, 0 );
cairo_stroke(context);

cairo_arc(context, w/2, h/2, radius, 2.46, 0.75 );
cairo_set_source_rgb(context, 0.1, 0.1, 0.1 );
cairo_stroke(context);

float angle = 2.46 + ( 4.54 * value );
cairo_set_line_width(context, 5);
cairo_arc(context, w/2, h/2, radius, 2.46, angle );
cairo_line_to(context, w/2, h/2);
cairo_set_source_rgba(context, 1.0, 0.48, 0, 0.8);
cairo_stroke(context);

cairo_restore(context);
}

bool onMouse(int button, bool press, int x, int y)
{
if (button == 1)
{
pressed = press;

if (press)
{
setX(x-100/2);
setY(y-100/2);
}

return true;
}

return false;
}

bool onMotion(int x, int y)
{
if (pressed)
{
setX(x-100/2);
setY(y-100/2);
return true;
}

return false;
}

float value;
bool pressed;
};

// ------------------------------------------------------
// Custom window, with bg + cairo + image

class CustomWindow : public Window
{
public:
CustomWindow(App& app)
: Window(app),
bg(*this),
cairo(*this)
{
addIdleCallback(&cairo);
}

private:
BackgroundWidget bg;
CustomCairoWidget cairo;
};

// ------------------------------------------------------
// main entry point

int main()
{
App app;
CustomWindow win(app);

win.setSize(300, 300);
win.setTitle("Cairo");
win.show();
app.exec();

return 0;
}

// ------------------------------------------------------

+ 208
- 0
examples/tests/text.cpp View File

@@ -0,0 +1,208 @@
/*
* DISTRHO Plugin Framework (DPF)
* Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with
* or without fee is hereby granted, provided that the above copyright notice and this
* permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

// ------------------------------------------------------
// DGL Stuff

#define GL_GLEXT_PROTOTYPES

#include "App.hpp"
#include "Window.hpp"
#include "Widget.hpp"

#include "src/freetype-gl/text-buffer.h"
#include "src/freetype-gl/mat4.h"

#include <GL/glext.h>

#include <cstdio>
#include <cwchar>

// ------------------------------------------------------
extern "C" {

int z_verbose = 0;

void z_error (char* message)
{
d_stderr2(message);
}

}

// ------------------------------------------------------
// use namespace

using namespace DGL;

// ------------------------------------------------------
// Single color widget

class TextWidget : public Widget
{
public:
TextWidget(Window& parent)
: Widget(parent),
#if 1
atlas(nullptr),
fontmgr(nullptr),
font(nullptr),
#endif
textbuf(nullptr)
{
vec2 pen = {{20, 200}};

vec4 black = {{0.0, 0.0, 0.0, 1.0}};
vec4 white = {{1.0, 1.0, 1.0, 1.0}};
vec4 none = {{1.0, 1.0, 1.0, 0.0}};

markup_t markup = {
"normal",
24.0f, 0, 0,
0.0, 0.0, 2.0f,
white, none,
0, white,
0, white,
0, white,
0, white,
0
};

wchar_t* text = L"A Quick Brown Fox Jumps Over The Lazy Dog 0123456789";

#if 1
atlas = texture_atlas_new(600, 300, 1);
DISTRHO_SAFE_ASSERT_RETURN(atlas != nullptr,);

//fontmgr = font_manager_new(600, 200, 2);
//DISTRHO_SAFE_ASSERT_RETURN(fontmgr != nullptr,);

//font = font_manager_get_from_filename(fontmgr, "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf", 12.0f);
//DISTRHO_SAFE_ASSERT_RETURN(font != nullptr,);

font = texture_font_new_from_file(atlas, 12.0f, "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf");
DISTRHO_SAFE_ASSERT_RETURN(font != nullptr,);
#endif

textbuf = text_buffer_new(LCD_FILTERING_OFF);
DISTRHO_SAFE_ASSERT_RETURN(textbuf != nullptr,);

textbuf->base_color = black;

//markup.family = "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf";
markup.font = font;

text_buffer_printf(textbuf, &pen,
&markup, text, nullptr);

text_buffer_add_text(textbuf, &pen, &markup, text, std::wcslen(text));

mat4_set_identity(&projection);
mat4_set_identity(&model);
mat4_set_identity(&view);
}

~TextWidget()
{
if (textbuf != nullptr)
{
text_buffer_delete(textbuf);
textbuf = nullptr;
}

#if 1
if (font != nullptr)
{
texture_font_delete(font);
font = nullptr;
}

if (fontmgr != nullptr)
{
font_manager_delete(fontmgr);
fontmgr = nullptr;
}

if (atlas != nullptr)
{
texture_atlas_delete(atlas);
atlas = nullptr;
}
#endif
}

private:
void onDisplay() override
{
DISTRHO_SAFE_ASSERT_RETURN(textbuf != nullptr,);

glClearColor(0.4f, 0.4f, 0.45f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glColor4f(1.0f, 1.0f, 1.0f, 1.0f);

glUseProgram(textbuf->shader);
{
glUniformMatrix4fv(glGetUniformLocation(textbuf->shader, "model"), 1, 0, model.data);
glUniformMatrix4fv(glGetUniformLocation(textbuf->shader, "view"), 1, 0, view.data);
glUniformMatrix4fv(glGetUniformLocation(textbuf->shader, "projection"), 1, 0, projection.data);

text_buffer_render(textbuf);
}
}

void onReshape(int width, int height) override
{
// make widget same size as window
setSize(width, height);
//Widget::onReshape(width, height);

//mat4_set_identity(&projection);
//mat4_set_identity(&model);
//mat4_set_identity(&view);

glViewport(0, 0, width, height);
//mat4_set_orthographic(&projection, 0, width, 0, height, width, height);
mat4_set_orthographic(&projection, 0, width, 0, height, -1, 1);
}

texture_atlas_t* atlas;
font_manager_t* fontmgr;
texture_font_t* font;

text_buffer_t* textbuf;

mat4 model, view, projection;
};

// ------------------------------------------------------
// main entry point

int main()
{
App app;
Window win(app);
TextWidget color(win);

win.setSize(600, 300);
win.setTitle("Text");
win.show();
app.exec();

return 0;
}

// ------------------------------------------------------

Write Preview
Loading…
Cancel
Save