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114 | $self->{internalformat} ||= $internalformat; |
114 | $self->{internalformat} ||= $internalformat; |
115 | ($dw, $dh) = @$self{qw(w h)}; |
115 | ($dw, $dh) = @$self{qw(w h)}; |
116 | } |
116 | } |
117 | |
117 | |
118 | my ($tw, $th) = ($dw, $dh); |
118 | my ($tw, $th) = ($dw, $dh); |
119 | my ($rw, $rh) = ($dw, $dh); |
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120 | |
119 | |
121 | defined $data or $self->{render_cb} or die; # some sanity check |
120 | defined $data or $self->{render_cb} or die; # some sanity check |
122 | |
121 | |
123 | $self->{minified} ||= [CFPlus::average $dw, $dh, $data] |
122 | $self->{minified} ||= [CFPlus::average $dw, $dh, $data] |
124 | if $self->{minify}; |
123 | if $self->{minify}; |
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139 | # quarter the texture size |
138 | # quarter the texture size |
140 | $tw >>= 1; |
139 | $tw >>= 1; |
141 | $th >>= 1; |
140 | $th >>= 1; |
142 | } |
141 | } |
143 | |
142 | |
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143 | # decide the amount of space used in the texture |
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144 | my ($rw, $rh); |
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145 | my $render; |
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146 | |
144 | if ($self->{render_cb}) { |
147 | if ($self->{render_cb}) { |
145 | # use only part of the texture |
148 | # use only part of the texture |
146 | #$rw >>= 1 while $rw > $tw; |
149 | #$rw >>= 1 while $rw > $tw; |
147 | #$rh >>= 1 while $rh > $th; |
150 | #$rh >>= 1 while $rh > $th; |
148 | $rw = min $rw, $tw; |
151 | $rw = min $dw, $tw; |
149 | $rh = min $rh, $th; |
152 | $rh = min $dh, $th; |
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153 | ++$render; |
150 | } else { |
154 | } else { |
151 | if ($self->{wrap} || $tw < $dw || $th < $dh) { |
155 | if ($self->{wrap} || $tw < $dw || $th < $dh) { |
152 | # scale to the full texture size |
156 | # scale to the full texture size |
153 | ($rw, $rh) = ($tw, $th); |
157 | ($rw, $rh) = ($tw, $th); |
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158 | ++$render; |
154 | } else { |
159 | } else { |
155 | # pad |
160 | # pad |
156 | pad $data, $dw, $dh, $tw, $th; |
161 | pad $data, $dw, $dh, $tw, $th; |
157 | ($rw, $rh) = ($dw, $dh); |
162 | ($rw, $rh) = ($dw, $dh); |
158 | ($dw, $dh) = ($tw, $th); |
163 | ($dw, $dh) = ($tw, $th); |
159 | } |
164 | } |
160 | } |
165 | } |
161 | |
166 | |
162 | # rendering means we need to scale in some way |
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163 | my $render = $self->{render_cb} || $rw != $dw || $th != $dh; |
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164 | |
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165 | if ($render) { |
167 | if ($render) { |
166 | glViewport 0, 0, $tw, $th; |
168 | glViewport 0, 0, $tw, $th; |
167 | glClear 0, 0, 0, 0; |
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168 | glMatrixMode GL_PROJECTION; |
169 | glMatrixMode GL_PROJECTION; |
169 | glLoadIdentity; |
170 | glLoadIdentity; |
170 | glOrtho 0, $tw, 0, $th, -10000, 10000; |
171 | glOrtho 0, $tw, 0, $th, -10000, 10000; |
171 | glMatrixMode GL_MODELVIEW; |
172 | glMatrixMode GL_MODELVIEW; |
172 | glLoadIdentity; |
173 | glLoadIdentity; |
173 | |
174 | |
174 | if ($self->{render_cb}) { |
175 | if ($self->{render_cb}) { |
175 | glScale $rw / $dw, $rh / $dh; |
176 | glScale $rw / $dw, $rh / $dh; |
176 | $self->{render_cb}->($self, $rw, $rh); |
177 | $self->{render_cb}->($self, $rw, $rh); |
177 | } else { |
178 | } else { |
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179 | glClearColor 0, 0, 0, 0; |
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180 | glClear GL_COLOR_BUFFER_BIT; |
178 | glPixelZoom $tw / $dw, $th / $dh; |
181 | glPixelZoom $tw / $dw, $th / $dh; |
179 | glDrawPixels $dw, $dh, |
182 | glDrawPixels $dw, $dh, |
180 | $self->{format}, |
183 | $self->{format}, |
181 | $self->{type}, |
184 | $self->{type}, |
182 | $data; |
185 | $data; |